10 letters · 18 points in Scrabble
noun (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
originFrom New Latin dehiscentia (in Linnaeus), from Latin dehiscentem, present participle of dehiscō. By surface analysis, dehisce + -ence.
Etymology from Wiktionary, CC BY-SA 3.0