Adiabatic

==English==
===Etymology===
From ‘impassable’, from ‘not’ + ‘through’ + ‘passable’, from ‘to go’.
===Pronunciation===
* 
* 
===Adjective===
# Occurring without gain or loss of heat.
#* 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 737:
#*: Talk of dynamic compression and adiabatic gradients didn't carry as much weight as the certainty of its conscious intent.
====Antonyms====
* diabatic
====Translations====
* Catalan: 
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* Finnish: 
* German: 
* Italian: 
====Derived terms====
* adiabat
* adiabatically
* subadiabatic
* superadiabatic
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