inactive

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inactive optically inactive

Main Entry: in·ac·tive
Pronunciation: ()in-ak-tiv
Function: adjective
: not active: as a : marked by deliberate or enforced absence of activity or effort <forced by illness to lead an inactive life> b of a disease : not progressing or fulminating : QUIESCENT c (1) : chemically inert <inactive charcoal> (2) : not exhibiting optical activity in polarized light d : biologically inert especially because of the loss of some quality (as infectivity or antigenicity)
- in·ac·tiv·ity /()in-ak-tiv-t-/ noun, plural -ties