Relating to or describing movement or constriction caused by capillary action or involving capillary mechanisms.
From Latin capillaris 'hair-like' plus motor from Latin motus 'movement.' This technical term combines capillary mechanics with motion or motor activity.
Capillariomotor forces are why plants can pull water from roots all the way to the tops of trees without a pump—it's a passive force that works through millions of tiny tubes!
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