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(), n. Formerly also Chem°iotax"is}. [Chemical + Gr. arrangement, fr. to arrange.] (Biol.) The sensitiveness exhibited by small free-swimming organisms, as bacteria, zospores of alg, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem°otac"tic (), a. -- Chem°otac"tically, adv. スポンサード リンク
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