antiexpansion

English

Etymology

From anti- +‎ expansion.

Adjective

antiexpansion (comparative more antiexpansion, superlative most antiexpansion)

1. Acting to prevent the expansion of a physical substance.
   • 1968, Floyd Avery Peyton, Restorative dental materials:

     Although the amount of spatulation will not affect the final setting time of plaster mixes containing antiexpansion additives and retarders, excessive spatulation will reduce the available working time...

2. Opposing expansion (as of a state or corporation).