(organic chemistry) A polycyclic macrolide, 5-hydroxy-4-[(2R,3aS,5aR,9aR,9bS)-3a-(hydroxymethyl)-6,6,9a-trimethyldodecahydronaphtho[2,1-b]furan-2-yl]-2(5H)-furanone isolated from the dinoflagellate...

(idiomatic) A new beginning; a fresh start; an important, promising turning point.

bulbous

(archaic) second-person singular simple present form of commence