(chemistry) Any compound containing five carbonate groups in each molecule or unit cell

(poetry) A poetic metre of six dactylic feet, the third and sixth with the first member only.

(chemistry, in combination) pentaaluminium.

(chemistry, in combination) Five atoms of aluminium in a chemical compound.

(organic chemistry) acylated in five positions

plural of pentabody

A pentavalent ligand that attaches to transmembrane proteins

(organic chemistry) Any macrocycle that has five nitrogen atoms in the ring

(chemistry, in combination) Five arsenic atoms or ions in a compound (As₅).

(chemistry, in combination) Five bismuth atoms or ions in a compound (Bi₅).