coactively

co·ac·tion

 (kō-ăk′shən)

n.

1. An impelling or restraining force; a compulsion.

2. Joint action.

3. Ecology Any of the reciprocal actions or effects, such as symbiosis, that can occur in a community.

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[Middle English coaccioun, from Latin coāctiō, coāctiōn-, a collecting, from coāctus, past participle of cōgere, to collect, condense; see coagulum. Senses 2 and 3 : co- + action.]

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co·ac′tive adj.

co·ac′tive·ly adv.