adiabatically

ad·i·a·bat·ic

 (ăd′ē-ə-băt′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 g^wā- in Indo-European roots).]

---

ad′i·a·bat′i·cal·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

adiabatically

(ˌædɪəˈbætɪkəlɪ)

adv

in an adiabetic manner

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014