Heat that is absorbed without causing a rise in temperature. For example, "latent heat of vaporization" refers to the amount of heat required to convert a liquid to vapor at a particular tem [..]

Heat absorbed or released during a change of phase at constant temperature and pressure.

The heat that is either released or absorbed by a unit mass of a substance when it undergoes a change of state, such as during evaporation, condensation, or sublimation.

The specific enthalpy difference between two phases of a substance at the same temperature. The latent heat of vaporization is the water vapor specific enthalpy minus the liquid water specific enthalp [..]

release of heat during a change of state. Condensation of water releases latent heat to the atmosphere because it no longer needs the heat energy that was put in to change it from liquid to gas in the [..]

  The amount of energy required to change a solid to a liquid or liquid to a gas.

Heat energy needed to change the state of a substance, e.g. the latent heat of evaporation is needed to change a liquid to a vapour.

(n) - heat absorbed or radiated during a phase change

Heat required to change the state of a unit weight of a substance from solid to liquid or from liquid to vapor without change of temperature. Layering: This occurs in tanks when a high density fuel is [..]

The heat associated with a phase change.

Refers to the heat hidden in phase changes

Latent heat is heat energy used or released during change of phase. When matter changes phase, energy must be given out or taken in. Change of phase takes place at constant temperature. For example, i [..]

EM Latent heat is heat energy used or released during change of phase. When matter changes phase, energy must be given out or taken in. Change of phase takes place at constant temperature. For examp [..]

(physics) the heat that is released or absorbed accompanying a change of state or of phase

is the heat that is required to evaporate water to change its state to a gas. Heat is released whan the water vapor condenses back into liquid water as it does during rain. The process of water evaporating in the (sub-)tropics and poleward transport of the resulting water vapor that cools the air mass resulting in rain is a net latent heat flux pol [..]

Heat energy required to change a substance from one state to another. It is the energy stored when water evaporates into vapor or ice melts into liquid. It is released as heat when vapor condenses or [..]

Energy transferred from the earth's surface to the atmosphere through the evaporation and condensation processes.

Heat that produces a change of state without a change in temperature; i.e., ice to water at 32 oF or water to steam at 212 oF.

The latent heat (L) is the energy released or absorbed by a substance during a change of phase. More formally, it is the change in enthalpy associated with a phase transition at temperature T. The lat [..]

A type of heat that when added to an area produces an effect other than an increase in temperature.

Heat that produces a change of state without a change in temperature.

The energy that suspends moisture vapor in the air.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

The quantity of heat absorbed or released by a substance undergoing a change of state.

heat that produces a change of state without a change in temperature; i.e., ice to water at 32°F or water to steam at 212°F.

Heat, added or removed, from a mass that will cause a change of state at a constant temperature.

The amount of heat energy needed to change a substance from a liquid to a gas.

Heat, that when added or removed, causes a change in state - but no change in temperature.

Heat energy that must be transferred to or removed from a substance to change its state. For example, energy used to boil water (latent heat energy) cannot raise the temperature of the water beyond 100°C. Adding more heat will accelerate the boiling (phase change) but will not raise the temperature of the water.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance. Instead, the heat energy enables the substance to change its state.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state. Back to the top.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state. Back to the top.

The heat energy needed to change the state of a substance (i.e.: from a liquid to a gas) but not it’s temperature.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance. Instead, the heat energy enables the substance to change its state.

The heat required to case a change in the state of a substance from solid to liquid or from liquid to vapor. These phases occur without a change in temperature at the melting or boiling point.

The heat absorbed or released by a substance that undergoes a change of phase i.e. ice to water and water to water vapour or vice versa.

Amount of heat absorbed and retained by a substance, or body, when changing from a solid to a liquid; or from a liquid to a gas.

The heat that is either released or absorbed by a unit mass of a substance when it undergoes a change of state, such as during evaporation, condensation, or sublimation.

Heat energy absorbed in process of changing form of substance (melting, vaporisation, fusion) without change in temperature or pressure.

Heat, that when added or removed, causes a change in state - but no change in temperature.

The energy that suspends moisture vapor in the air.  

If a change of state occurs from gas to liquid or liquid to solid, internal energy in the form of heat is released. If a change of state occurs from solid to liquid or liquid to gas, heat is required. [..]

Heat that causes a substance phase change.

The amount of heat absorbed (converted to kinetic energy) during the processes of change of liquid water to water vapor, ice to water vapor, or ice to liquid water; or the amount released during the r [..]

Heat absorbed or released during a change of phase at constant temperature and pressure.

The energy that suspends moisture vapour in the air.

Heat energy absorbed in process of changing form of substance (melting, vaporization, fusion) without change in temperature or pressure. Also referred to as "hidden" heat.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

 A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

A type of heat, which when added to or taken from a substance, does not change the temperature of the substance yet enables the heat energy to change its state.

The heat released or absorbed by a material during a change of state without change of temperature. For example ice to water or water to steam.

The heat required to change the state of a substance from solid to liquid or from liquid to gas.

Latent heat is a form of energy released or absorbed by a phase change of water. It results from the individual molecules releasing a small amount of energy as they drop to a less energetic state.

The specific enthalpy difference between two phases of a substance at the same temperature. The latent heat of vaporization is the water vapour specific enthalpy minus the liquid water specific enthal [..]

The heat energy that must be absorbed when a substance changes from solid to liquid and liquid to gas, and which is released when a gas condenses and a liquid solidifies.

The energy released or absorbed during a change of state.

The energy released or absorbed during a change of state.

The energy released or absorbed during a change of state. Related terms: condensation

Heat absorbed or released during a change of phase at constant temperature and pressure.

Energy stored when water evaporates into vapor or ice melts into liquid. It is released as heat when water vapor condenses or water freezes.

The energy released or absorbed during a change of state.

Change of enthalpy during a change of state, usually expressed in Btu per lb. With pure substances, latent heat is absorbed or rejected at constant pressure.

Heat energy absorbed in process of changing form of substance (melting, vaporization, fusion) without change in temperature or pressure.

Quantity of heat required to effect a change of state of a unit mass of a substance from solid to liquid (latent heat of fusion) or from liquid to vapour (latent heat of vaporisation) without change of temperature.

The quantity of heat absorbed or released when a substance changes its physical state at a constant temperature.