The amount of the resistance to flow in a fluid due to intermolecular friction.

A property of fluids and slurries that indicates their resistance to flow, defined as the ratio of shear stress to shear rate. Viscosity can be expressed mathematically as follows: Poise is the unit f [..]

The extent to which a fluid resists a tendency to flow.

Thickness of a liquid, the degree to which it resists flow. 

The resistance a liquid exhibits to flow. Experimentally, the frictional force between two liquid layers moving past each other is proportional to area of the layers and the difference in flow speed b [..]

Resistance of a fluid (e.g., plasma, serum, cerebrospinal fluid) to flow; thickness or stickiness of a fluid

The internal resistance to flow in a liquid.

early 15c., from Old French viscosite (13c.) or directly from Medieval Latin viscositatem (nominative viscositas), from Late Latin viscosus (see viscous).

The thickness of a liquid. In painting, the viscosity of oil paints is altered by adding a binder (such as linseed oil) or a solvent (such as turpentine). Related: Franz Kline. Chief. 1950

The resistance of fluid flow.

Measure of a liquid's resistance to flow. There are a number of viscosity scales in current use.

measure of the resistance of a fluid to a force or disturbance.

Viscosity is a measure of a fluid’s resistance to deformation by stress and corresponds to a liquid’s thickness. In general, the more pigment there is relative to binder, the thicker the paint and the [..]

(Also called internal friction.) The transport of mass motion momentum solely by the random motions of individual molecules not moving together in coherent groups. Viscosity is a consequence of gradie [..]

Measurement of a fluid's resistance to flow. The common metric unit of absolute viscosity is the poise, which is defined as the force in dynes required to move a surface one square centimeter in [..]

lit. how resistant a substance is to a change in form. In geography, mostly applied to lavas. Highly viscous lavas do not change form easily and therefore flow very slowly.

the resistance of a material to flow.

The resistance of a fluid to flow or motion within itself.

A measure of resistance to flow in a liquid (molasses in January has high viscosity while molasses in August has lower viscosity).

Frictional resistance for a fluid to flow. There are two models of this parameter that are commonly used. They are (1) the Newtonian model where resistance is proportional to flow rate and (2) Bingham [..]

Broad term that encompasses the properties of tack and flow as applied to inks.

viscosity (pop)

The resistance of a fluid to flow, which can be estimated by using a Marsh Funnel.

  The internal friction of a fluid, thick fluids have a high viscosity and thin fluids low.

A property of fluids, either liquid or gaseous, that can briefly be described as causing resistance to flow. Viscosity is the measure of the combined effects of cohesion and adhesion. It is one of the most important physical properties of an oil, varnish or lacquer. Viscosity is usually measured with the GardnerHoldt Bubble Viscometer.

"Thickness" of a fluid or "ease of flow", e.g. plasma has a viscosity which allows it to be pumped rapidly around the body.

The resistance of fluid substance to flowing, quantitatively characteristic for an individual substance at a given temperature and under other definite external conditions.

The internal frictional resistance offered by a fluid to change of shape or to the relative motion or flow of its parts.

As an adjective, this descriptor refers to body and mouthfeel, but it literally refers to the resistance of liquid (beer) to flow ‹ i.e. its thickness.

A measure of resistance to flow in a liquid (water has low viscosity while honey has a higher viscosity.)

The quality or state of being viscous; the physical property of a liquid or semi-liquid that enables it to develop and maintain a certain amount of shearing stress dependent upon the velocity of flow and then to offer continued resistance to flow.

The resistance of a liquid to shear forces and hence its ability to flow. For example: Water or alcohol has a low viscosity while oil or honey has a high viscosity.

A measure of resistance to flow in a liquid (water has low viscosity while honey has a higher viscosity.)

Measure of the resistance to flow, or internal friction, of a fluid. Viscosity changes with temperature so the temperature at which the measure has made must always be specified. See also Apparent Viscosity, Kinematic Viscosity.

The internal property of a substance that offers resistance to flow.

The quality or state of being viscous; the physical property of a liquid or semi-liquid that enables it to develop and maintain a certain amount of shearing stress dependent upon the velocity of flow and then to offer continued resistance to flow.

Resistance to flow Vulcanization: Heat induced process whereby the long chains of the rubber molecules become crossed linked by vulcanizing agent to form three dimensional elastic structures. This reaction turns weak materials into strong ones.

Property of a fluid, semi-fluid, or semi-solid substance which causes it to resist flow.

The property of a fluid whereby it tends to resist relative motion within itself.

Measure of a fluid’s resistance to flow. This is typically measured as the time required for a standard quantity of fluid at a certain temperature to flow through a standard orifice. The higher the va [..]

The syrupiness of water and it determines the mobility of the water. When the temperature rises, the viscosity degrades; this means that water will be more mobile at higher temperatures.

A method of measuring a given liquid's resistance to flow, usually decreasing with increasing temperatures. Material with higher viscosity is more resistant to flow.

The friction in liquid particles that prevents the liquid from flowing freely. The viscosity value is a number for a specific temperature, in comparison with a known liquid.

is the resistance of a liquid to flow. visibility - 

a measure of the resistance for a liquid to flow (water has low viscosity while toothpaste has a higher viscosity.) [viscous]

The resistance to flow of a fluid (strictly speaking the resistance to shearing). It is defined as the ratio of shear stress (Tangential Force/Area) to shear rate (velocity/gap). The viscosity of a po [..]

A measure of a liquid's resistance to flow with respect to time.

(uncountable) The state of being viscous. (countable) (physics) A quantity expressing the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow.

The ratio of shear stress to the rate of change of shear strain in a liquid or gas.

Measure for the flow properties of a substance (expressed in mPa.s) Vitamins:

The resistance of a fluid to flowing freely, caused by the friction of its molecules against a surface. In simplified terms, viscosity is used to describe the thickness a food, usually a sauce or othe [..]

Relates to the sample's ability to flow - describing the texture of semi-solids/fluids, it is a indication of thickness. In classic rheology theory, viscosity is the resistance to deformation by shear or tensile stress, usually applied to liquids. A semi-solid product's textural properties depend upon its rheological behavior and can be t [..]

(n) resistance of a liquid to shear forces (and hence to flow)

Is a property of fluids describing their internal resistance to flow and may be thought of as a measure of fluid friction. Rheology is the field of science that deals with viscosity; viscosity is measured with a viscometer.

a molecule's resistance to motion

A measure of resistance to flow in a liquid.

Resistance to pouring. Higher viscosities can restrict seal movement. Centrifugal pumps can handle a maximum viscosity similar to 30 weight oil at room temperature. Above this viscosity a positive displacement pump should be used.

the resistance that oil offers to flow when it is subjected to stress (thickness or weight).

Viscosity is the resistance of a fluid to flow.

Internal resistance of a fluid to flow.

The measure of resistance to flow of a fluid against an established standard. See SUS and SSU.

The resistance offered by a fluid (liquid or gas) to flow.

The name given to one type of the NETZSCH universal joint. This type of joint is found mostly on the larger pump sizes and is configured similar to a car universal joint.

The measure of a fluid's tendency to resist a shearing force. The viscosity of a fluid affects the degree to which it resists flow under an applied force. Viscosity can remain constant, increase, [..]

measure of the internal friction of a fluid or its resistance to flow.

the ratio of the shear stress existing between laminae of moving fluid and the rate of shear between these laminae. Note: A fluid is said to exhibit Newtonian behavior when the rate of shear is propor [..]

The resistance of a fluid to flow measured in centipoise (cps). The viscosity of water is 1.0 cps. Guidelines for categories of epoxies: 1-200 cps: super low viscosity; 200-2000 cps: low viscosity; 20 [..]

The resistance of a liquid to flow.

Refers to the ability of a liquid to flow. An oil with high viscosity is very thick and flows slowly; an oil with low viscosity flows easily.

The ability of a liquid, usually oil, to flow. Oil with a high viscosity is quite thick and flows slowly, while oil with a low viscosity is thinner and flows more readily.

Resistance to flow

the resistance offered by a fluid (liquid or gas) to flow. The viscosity is a characteristic property and is a measure of the combined effects of adhesion and cohesion.

The resistance the a liquid (or gaseous) system offers to flow when it is subjected to shear stress.  Viscosity is a specification for a number of oils, solutions and blends.

A measure of the ease with which a liquid can be poured or stirred.  The higher the viscosity, the less easily a liquid pours.

A measure of the internal friction of a fluid that provides resistance to shear within the fluid. The greater the forces of internal friction (i.e. the greater the viscosity), the less easily the flui [..]

The molecular friction within a fluid that produces flow resistance.

The molecular friction within a fluid that produces flow resistance.

A measure of a fluid's resistance to flow, or the ratio of shearing stress to the velocity gradient.  Water is a low viscosity fluid while peanut butter has a high viscosity.  

The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

The internal resistance of the Blood to shear forces. The In Vitro measure of whole Blood Viscosity is of limited clinical utility because it Bears little relationship to the actual Viscosity within t [..]

Measure of a fluid's resistance to flow. It is ordinarily expressed in terms of the time required for a standard quantity of the fluid at a certain temperature to flow through a standard orifice. The higher the value, the more viscous the fluid. Since viscosity varies inversely with temperature, its value is meaningless unless accompanied by t [..]

That property of a liquid material that tends to resist flow.

The resistance offered by a fluid (liquid or gas) to flow. The viscosity is a characteristic property and is a measure of the combined effects of adhesion and cohesion.

the condition of being resistent to flow; "thickness"

A property of water, or any other fluid, that resists efforts to change its shape or flow. Syrup is more viscous (has a higher viscosity) than water. The viscosity of water increases significantly as [..]

The resistance offered by a fluid (liquid or gas) to flow. The viscosity is a characteristic property and is a measure of the combined effects of adhesion and cohesion. Hyperviscosity syndrome: Blood too thick to flow properly.

The thickness or thinness (or stickiness) of a product and/or substance. If a substance has low viscosity, it tends to flow more easily (it is thinner); a high viscosity substance is less fluid (thicker).

The flow resistance of the kaolin slurry measured at various shear rates.

Refers to the thickness, liquidity and pourabilty of liquid or semi-solid substances

The degree to which a fluid resists flow under an applied force.

Measurement of a fluid’s resistance to flow. The common metric unit of absolute viscosity is the poise. In addition to kinematic viscosity, there are other methods for determining viscosity, including [..]

Pertaining to the thickness or thinness of a liquid.

A term used to refer to the thickness of paint.

Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction.

A measure of the resistance of a fluid to flow. Resistance is brought about by the internal friction resulting from the combined effects of cohesion and adhesion. The viscosity of petroleum products i [..]

The resistance to flow or "stickiness" of a fluid.

An important property of a refined oil product that measures its resistance to flow.

the resistance of fluid to flow. High viscosity fluids will not flow as easily as low viscosity fluids.

a measure of the resistance that a fluid makes to motion or flow (stickiness); it usually decreases as temperature rises.

The resistance to flow, or "stickiness," of a fluid.

Is a measure of a fluids resistance to flow. To simplify, the oil's viscosity represents the measure for which the oil wants to stay put when pushed (sheared) by moving mechanical components. It [..]

A fluid’s resistance to flowing.

The resistance to flow, or “stickiness,” of a fluid.

The resistance to flow

A fluid's resistance to flowing.

The resistance of fluid to flow. A high viscosity fluid will not flow as easily as a low viscosity fluid.

measurement of a fluid’s resistance to flow. The common metric unit of absolute viscosity is the poise, which is defined as the force in dynes required to move a surface one square centimeter in area past a parallel surface at a speed of one centimeter per second, with the surfaces separated by a fluid film one centimeter thick. In addition to kine [..]

the ration of the shearing stress to the shear rate of a fluid. It is usually expressed in centipoise.

the absolute viscosity divided by the density of the fluid. It is usually expressed in centistokes.

Saybolt Universal Seconds (SUS), which is the time in seconds for 60 milliliters of oil to flow through a standard orifice at a given temperature. This viscosity system is still in limited use, although it has been generally replaced by the ISO grading system.

resistance of fluid to flow; a high viscosity will not flow as easy as a low viscosity fluid, i.e. water has a low viscosity and mud has a high viscosity.

A measure of the resistance of a liquid flow. Resistance is brought about by the internal friction resulting from the combined effects of cohesion and adhesion. The viscosity of petroleum products is commonly expressed in terms of the time required for a specific volume to flow through an orifice of a specific size.

Viscosity is a measure of how easily oil will flow. Inside the reservoir, viscosity is measured in poises (P); outside the reservoir, measured in centistokes (cS).

Measure of the internal friction or resistance of an oil to flow

A fluid’s resistance to flowing.

Friction within fluids such as air and water.

the resistance of a gas or liquid to flow

Viscosity is a property of the material which represents the resistance to continuous deformation or flow. Fluids are typically described in terms of shear viscosity, defined as the ratio between shear stress and shear rate. Unlike elasticity, the stress is related to the rate of deformation and not to the deformation. In a fluid, if an external st [..]

measure of flowing which is characteristic for a colour or medium (e.g. thick oil has a higher viscosity than oil from flax seed of an alkalic and rafine characteristic).

the relative resistance of a liquid to flow. In art the term is often used in connection with paint. Thick acrylic or oil paint straight from the tube is said to have high viscosity. Paint which is ru [..]

Resistance of a fluid to flow. In printing inks, a broad term encompassing the properties of tack and flow.

The ability of a liquid to flow, the term is used by the potter in relation to molten glazes, glaze suspensions, and slips. A stiff molten (liquid) glaze is one of high viscosity, while a runny molten (liquid) glaze is one oflow viscosity. Vitrification: The degree of melt in a clay body as the silica forms a glass with fluxes present. See stonewar [..]

A measure of a fluid's resistance to flow. Further Reading Viscosity Toolbox Page

A measure of the internal friction of a fluid that provides resistance to shear within the fluid. The greater the forces of internal friction (i.e. the greater the viscosity), the less easily the fluid will flow.

That property of semi-fluids, fluids, and gases by virtue of which they resist an instantaneous change of shape or arrangement of parts. It is the cause of fluid friction whenever adjacent layers of f [..]

A measure of a fluid's resistance to flow. Further Reading Viscosity Toolbox Page

A measure of the ease with which a liquid can be poured or stirred. The higher the viscosity, the less easily a liquid pours.

The resistance to the flow of a fluid, e.g. the thickness of the blood, or the ease with which it flows in the circulation.

Viscosity is also an out-of-print image and animation editing utility published by Sonic Foundry. It can work with PNG, GIF, JPG/JPEG, BMP, AVI and its native VSC format.

The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal concept of "thickness"; for exam [..]

In object oriented programming, viscosity refers to the ease at which a developer can add design-preserving code to a system. If it is easier to add a hack than it is to add code that fits into the pr [..]

Viscosity (commonly perceived as "thickness", or resistance to pouring) is the measure of the resistance of a fluid to deform under either shear stress or extensional stress. Viscosity can a [..]

The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal concept of "thickness"; for exam [..]