Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
1. Botany The spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents.
2. Medicine A rupture or splitting open, as of a surgical wound, or of an organ or structure to discharge its contents.
the splitting open of a part along its seam or abutting edges, as a fruit, capsule, or wound.
[1820–30; < New Latin]
Switch to new thesaurus
|Noun||1.||dehiscence - (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound|
organic phenomenon - (biology) a natural phenomenon involving living plants and animals