endothermic

endothermic Definition

endo·ther·mic (en′dō t̸hʉr′mik)

adjective

designating, of, or produced by a chemical change in which there is an absorption of heat

Etymology: endo- + thermic

endothermic Usage Examples

Modifies a noun

reaction: In an endothermic reaction more energy is taken in than released.
process: Breaking chemical bonds requires energy; bond breaking is an endothermic process.
change: To break a chemical bond requires the molecule to take in energy to pull atoms apart, which is an endothermic change.
animal: The significance of feathers is that they make sense only for endothermic animals, as they are an insulation.
value: Now simply add together the molar bond enthalpies involved for the reactants to obtain a total endothermic value.

Preposition: in

direction: This simply means that a reaction which is exothermic in one direction will be endothermic in the other direction.