Search Result for "adiabatic": 
Wordnet 3.0

ADJECTIVE (1)

1. occurring without loss or gain of heat;
- Example: "adiabatic expansion"


The Collaborative International Dictionary of English v.0.48:

Adiabatic \Ad`i*a*bat"ic\, a. [Gr. 'adia`batos not passable; 'a priv. + dia` through + bai`nein to go.] (Physics) Not giving out or receiving heat. -- Ad`i*a*bat`ic*al*ly, adv. [Webster 1913 Suppl.] Note: The adiabatic expansion of carbon dioxide from a compressed container causes the temperature of the gas to decrease rapidly below its freezing point, resulting in the familiar carbon dioxide "snow" emitted by carbon dioxide fire extinguishers. [PJC.] Adiabatic line or curve, a curve exhibiting the variations of pressure and volume of a fluid when it expands without either receiving or giving out heat. --Rankine. [1913 Webster]
WordNet (r) 3.0 (2006):

adiabatic adj 1: occurring without loss or gain of heat; "adiabatic expansion" [ant: diabatic]