The level of magnitude of a system process at which sudden or rapid change occurs.

Dose or exposure concentration below which a defined effect will not occur. See also critical effect

concentration See threshold

limit value-ceiling (TLV-C) As defined by ACGIH, concentration of a potentially toxic substance that should not be exceeded during any part of the working exposure. [2]

limit value-short term exposure limit (TLV-STEL) As defined by ACGIH, concentration to which it is believed that workers can be exposed continuously for a short period of time without suffering from 1 [..]

limit value-time-weighted average (TLV-TWA) As defined by ACGIH, time-weighted average concentration for a conventional 8-hour workday and a 40-hour workweek, to which it is believed nearly all worker [..]

The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed.

Old English þrescold, þærscwold, þerxold, etc., "door-sill, point of entering," of uncertain origin and probably much altered by folk-etymology. The first element probably is related to [..]

Threshold [S] Heb. miphtan, probably a projecting beam at a higher point than the threshold proper ( 1 Samuel 5:4 1 Samuel 5:5 ; Ezekiel 9:3 ; Ezekiel 10:4 Ezekiel 10:18 ; 46:2 ; 47:1 ); also rendered [..]

point in a process that must be met to start a new stage in the process.

Thug: 

the starting point for a new state or experience; "on the threshold of manhood" the smallest detectable sensation doorway: the entrance (the space in a wall) through which yo [..]

a door, sill, entrance, outset

point of entry or beginning.

The minimum value of a signal that can be detected by the system or sensor under consideration. 2. A value used to denote predetermined levels, such as those pertaining to volume of message storage, i.e., in-transit storage or queue storage, used in a message switching center. 3. The minimum value of the parameter used to activate a device. 4. The [..]

in human geography, the minimum number of people required to support a good or service. In physical geography, the shallow area at the mouth of a fjord.

A strip of wood or metal with beveled edges used over the finish floor and the sill of exterior doors.

The level at which an event or change occurs

Of the two words so rendered is the Authorized Version, one,miphthan,,seems to mean sometimes a projecting beam or corbel. (Ezekiel 9:3; 10:4,18)

(1.) Heb. miphtan, probably a projecting beam at a higher point than the threshold proper (1 Sam. 5:4,5; Ezek. 9:3; 10:4,18; 46:2; 47:1); also rendered "door" and "door-post."(2.) [..]

The minimum stimulus necessary to initiate an all-or-none response. thrombin.

This is a starting-point. For example: on the threshold of a new career.

noun. 1. with regard to psychophysics, the strength or greatness of a stimulant which will generate its detection half of the time. 2. the minimum severity of a stimulant which is required to elicit a [..]

The term "threshold" has a couple of different meanings, but let's start with the simple one. A threshold is the minimum amount of stimulation needed to start a neural impulse (you know [..]

a point of beginning : a minimum requirement for further action ;specif : a determination (as of fact or the existence of a reasonable doubt) upon which something else (as further consideration ...

The point at which an action begins or changes. The threshold setting used in scanning line art determines which pixels are converted to black and which will become white. The threshold defined in the USM process determines how large a tonal contrast must be before sharpening will be applied to it.

"Threshold" originated in the middle ages when houses with stone floors were covered with threshings to keep the floor warm and to prevent it from being slippery. As threshings were added du [..]

The measurement of the sensitivity of any receiver measured in decibels (dB).

A molding designed for the purpose of completing an installation around or next to sliding glass door tracks, fireplaces, carpeting, ceramic tile, and other objects so as to maintain a proper expansion space next to Armstrong hardwood floors and to obtain a good transition. Threshold is 2" wide x 78" long and prefinished in urethane to bl [..]

The stimulus intensity that is just adequate to trigger an action potential at the axon hillock.

A dose or exposure below which adverse effects are not detected.

The minimum and vital market size required to support a given type of economic activity. A mean number of passengers per trip can be identified to sustain profitability of a coach line, for example. A threshold thus rests on a level of demand and can play a determining role in organizing both freight and passenger tran [..]

The minimum-sized market for an economic activity. The activity will not be successful until it can reach a population larger than this threshold size. Time-distance:

The number of potential customers necessary to support the sale of a particular good or service. For example, it takes relatively few people in an area to support the sale of a carton of milk (because [..]

A “benchmark” score above which the match between the stored biometric and the person is considered acceptable or below which it is considered unacceptable.

The level of magnitude of a system process at which sudden or rapid change occurs. A point or level at which new properties emerge in an ecological, economic or other system, invalidating predictions [..]

The smallest change in a measured variable that gives a measurable change in output signal.

(n) the starting point for a new state or experience(n) the smallest detectable sensation(n) the entrance (the space in a wall) through which you enter or leave a room or building; the space that a [..]

limen limina

The bottom metal or wood plate of an exterior door frame. Generally they are adjustable to keep a tight fit with the door slab.

Properly the door-sill, but figuratively applied to the beginning of anything; as, the threshold of life (infancy), the threshold of an argument (the commencement), the threshold of the inquiry (the f [..]

A strip of wood or metal with beveled edges uses over the finish floor and the sill of exterior doors.

In reference to current or magnetic fields, the minimum strength necessary to create a looked-for effect is called the threshold value. For example, the minimum current necessary to produce a readable [..]

the start of the runway when an airplane is landing. Planes fly over the threshold

A cutoff point, which, if met, allows the injured person to file a lawsuit to attempt to recover damages for bodily injury, such as "pain and suffering," from the driver who caused the accid [..]

The point where a stimulus of increasing strength produces the desired response. In Mastery Learning, it shows how much psychological stimuli -- and what kinds of conditions -- will cause a student to [..]

A wood or aluminum member, beveled or tapered on each side, and used with exterior or interior door frames. Classified as "interior" or "exterior" or "saddle".

Most commonly referred to on the received signal, threshold is the signal to noise level that defines acceptable and unacceptable performance of the link.

The measure of sensitivity of a satellite TV system receiver measured in decibels (dB).

The dose or exposure level below which a significant adverse effect is not expected.

The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed.

The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed.

The dose or exposure level below which a significant adverse effect is not expected.

The dose or exposure level below which a significant adverse effect is not expected.

The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed.

a method for image segmentation. The threshold level determines whether a gray tone becomes white or black. Read more.

the point at which a physiological effect begins to be produced, for example, the degree of stimulation of a nerve which produces a response or the level of a chemical in the diet that results in a di [..]

The Oxygen Consumption level above which aerobic energy production is supplemented by anaerobic mechanisms during Exercise, resulting in a sustained increase in lactate concentration and metabolic Aci [..]

The audibility limit of discriminating Sound intensity and pitch.

The smallest difference which can be discriminated between two stimuli or one which is barely above the threshold.

Amount of stimulation required before the Sensation of Pain is experienced.

The minimum amount of stimulus energy necessary to elicit a sensory response.

The minimum concentration at which Taste sensitivity to a particular substance or Food can be perceived.

A wood or aluminum strip used on the bottom of doors to cover the gap between the sill and the floor; not often used on interior doors.

The point, measured in money, time or other ways, beyond which tort liability can be established. Until that point is reached, reparations must be paid within the provisions of the no-fault plan, with [..]

The level of income or money earned above which people or companies must pay tax, or must pay a higher rate of tax.

A way of describing a dog’s emotional state in a certain situation. A dog who is under threshold is tolerant and relaxed. A dog who is at threshold is mildly stressed, while a dog who is over thresh [..]

The term threshold has been used in the text to refer to the magnitude of an eliciting stimulus which is just sufficient to elicit the reflex. The term threshold is widely used in the literature of ex [..]

see PSYCHOPHYSICS.

The point measured in money, time or other ways, beyond which tort liability can be established. Until that point is reached, reparations must be paid within the provisions of the no-fault plan, with [..]

The minimum value at which an effect or substance can be detected.

An amount of unsecured exposure a counterparty is prepared to accept before calling for collateral. Thunderhead NOW

a cutoff value used in a program such that one behavior happens if a variable has a value below the threshold and a different behavior happens in the variable has a value above the threshold (see for [..]

Beginning position of a runway usable for landing

The beginning of that portion of the runway usable for landing.

  1)  Physical beginning or end of the runway.  2)  Baseline noise level above which microphones record a noise event.

The beginning of the runway (marked with white lines called ‘piano keys’ on paved runways)

The beginning of the part of the runway, where landing can take place.

This is the amount of Critical blow damage that is possible before your opponent is knocked down or reset.

Most modern metal detectors do not need to be tuned in and run on a silent threshold. The threshold is the optimum point of tuning on a detector where a faint tone can be heard.

How much does your target group need to change? Simply put, “how good is good enough”? For example, if students improve reading scores by one grade, is that sufficient? Or how many sessions must p [..]

) and for the number of people you have specified? The timeline for reaching any given outcome depends on the timeline for reaching the outcomes above and below it on the pathway. So, for example, if [..]

When the value of a trader’s supplies exceeds or is likely to exceed a set monetary value they are obliged to register for VAT. This limit is often called the threshold. See Thresholds

1) The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed; 2) The dose or exposure level below which a significant adverse effect is not ex [..]

A level of chemical exposure below which there is no adverse effect and above which there is a significant toxicological effect.

Threshold is the point at which radiation first produces an observable effect (response) from acute exposures.

(ecology) a point that, when crossed, can bring rapid and sometimes unpredictable change in a trend. An example would be the sudden altering of ocean currents due to the melting of ice at the poles.

The bottom area of the door frame that you step over when entering or exiting through a doorway. Tilt

The level at which a dynamics processing unit will begin to change gain.

The minimum value of a signal that can be detected by the system or sensor under consideration. The voltage point at which a digital logic gate recognizes a signal. Read more on TTL Voltage Thresholds [..]

The bottom-most part of a doorway that one crosses to enter; a sill. (by extension) An entrance The start of the landing area of a runway (engineering) The quantitative point at which an actio [..]

A criterion value (sometimes arbitrarily established) that is used to determine if particular conditions are met or a point separating conditions. (In neural networks, a value subtracted from the weig [..]

the point, stage, or degree of intensity at which an effect begins to be produced. The lower the threshold, the sooner and more easily does the effect begin.

Threshold may refer to:

Threshold may refer to:

Threshold may refer to:

Threshold is a progressive metal band, formed in Surrey, UK in the late 1980s.

Threshold is an American science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret g [..]

Threshold is a science fiction novel by American writer David R. Palmer, published by Bantam Spectra in December 1985. It was his second book published, following Emergence, and was intended to be the [..]

Threshold is a science fiction novel by American writer David R. Palmer, published by Bantam Spectra in December 1985. It was his second book published, following Emergence, and was intended to be the [..]

"Threshold" is the 31st episode of American science fiction television series Star Trek: Voyager airing on the UPN network, the 15th episode in the second season. This episode won a 1996 Emmy for Outs [..]

The Threshold are a fictional organisation who appeared in the Doctor Who Magazine comic strip based on the long-running British science fiction television series Doctor Who. The Threshold were create [..]

Threshold (Matthew Callahan) is a fictional supervillain from the Gen¹³ and DV8 comic books, published by Wildstorm.

Threshold is the sixth studio album by the Swedish heavy metal band HammerFall. It was released in 2006 but on different dates for different countries. On October 18 2006 in Sweden then on October 20 [..]

Threshold may refer to:

Threshold is a 2003 Sci-Fi Pictures original film adaptation of the 1958 black and white science fiction film It! The Terror from Beyond Space (directed by Edward L. Cahn). The film stars Nicholas Lea [..]

Threshold is a 1997 fantasy novel by South Australian author Sara Douglass. The novel forms a prequel to Douglass's 'Darkglass Mountain' trilogy

Threshold is a 1997 fantasy novel by South Australian author Sara Douglass. The novel forms a prequel to Douglass's 'Darkglass Mountain' trilogy

Threshold is a roleplaying enforced MUD (text-based online role-playing game) that has been in operation since June 1996. Its focus is on providing a place for roleplaying in addition to traditional [..]

Threshold is a 1981 Canadian drama/science fiction film directed by Richard Pearce and starring Donald Sutherland and Jeff Goldblum. The film was nominated for eight Genie Awards in 1983 and won three [..]

Threshold is a 1990 science fiction novel by American writers Chris Morris and Janet Morris. It is the first book of its namesake trilogy.In a futuristic world, Earth is now a preserve. A captain is [..]

A threshold is the sill of a door. Some cultures attach special symbolism to a threshold. It is called a door saddle in New England.

Threshold was an ongoing comic book series published by DC Comics, as part of The New 52. Threshold is written by Keith Giffen and illustrated by Tom Raney. The series explores the space-oriented side [..]

dose See threshold

of toxicological concern (TTC) Human exposure threshold value for a group of chemicals below which there should be no appreciable risk to human health.

A strip of wood or metal with beveled edges used over the finish floor and the sill of exterior doors.

the sum of incoming inputs needed to start an action potential; this value varies and is determined by the number of sodium channels in a neuron's cell body and the recent firing rate of that neu [..]