[ad-ee-uh-bat-ik, ey-dahy-uh-] 
| occurring without gain or loss of heat (opposed to diabatic ): an adiabatic process. |
| ad·i·a·bat·ic (ād'ē-ə-bāt'ĭk, ā'dī-ə-) adj. Of, relating to, or being a reversible thermodynamic process that occurs without gain or loss of heat and without a change in entropy. [From Greek adiabatos, impassable : a-, not; see a-1 + diabatos, passable (dia-, dia- + batos, passable from bainein, to go; see gwā- in Indo-European roots).] ad'i·a·bat'i·cal·ly adv. |
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