The quality of constringing or tightening; the property of binding or compressing; astringency.
From constringe plus the noun suffix -cy/-ency. This word describes the property or quality of things that bind or constrict.
In pharmacy, constringency describes how certain tannins in plants actually tighten and bind tissues—it's why you get a dry mouth from unripe fruit, because those molecules are literally constricting your mouth's membranes.
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