coaction

coaction¹ Definition

co·ac·tion (kō ak′s̸hən, kō′ak′-)

noun

Now Rare coercion; force

Etymology: ME coaccioun < ML coactio < L coactare, to constrain, force, freq. of cogere: see cogent

coaction¹ Related Forms

co·ac′·tive adjective

coaction² Definition

co·ac·tion (kō ak′s̸hən, kō′ak′-)

noun

cooperative action
Ecol. any important interaction between two organisms, as in symbiosis or parasitism

Etymology: co- + action

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