(organic chemistry) An angular furanocoumarin chemical compound found in angelica root, 2-(9-{[(2Z)-2-methylbut-2-enoyl]oxy}-2-oxo-2H,8H,9H-furo[2,3-H]chromen-8-yl)propan-2-yl (2Z)-2-methylbut-2-en...

present participle of play by ear

plural of parasporin

(mineralogy) An orthorhombic mineral containing aluminum, calcium, hydrogen, magnesium, oxygen, and silicon.