Pyrene

[pairi:n]

Definition

(noun.) the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it.

(noun.) a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar.

Checker: Maisie--From WordNet

Definition

(n.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.

(n.) Same as Pyrena.

Checked by Horatio

Definition

n. a stone or putamen.—n. Pyrē′nocarp any drupaceous fruit.—adjs. Pyrē′noid globular nucleiform; Pyrē′nous.

n. a hydrocarbon obtained from coal-tar.

Checked by Desmond