auxetic

[ awg-zet-ik, awk-set- ]
/ ɔgˈzɛt ɪk, ɔkˈsɛt- /
Biology

adjective

pertaining to or promoting auxesis.

noun

an auxetic agent.

Origin of auxetic

1730–40; < Greek auxētikos increasing, equivalent to auxēt(ós) increased (derivative of aúxein; see auxesis) + -ikos -ic