Defn: Of, pertaining to, or derived from, pentadecane, or designating an acid related to it.

PENTADECYLIC
Pen`ta*decyl"ic, a. Etym: [Penta- + decylic.] (Chem.)

Defn: Same as Quindecylic.

PENTADELPHOUS
Pen`ta*del"phous, a. Etym: [Penta- + Gr. (Bot.)

Defn: Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden.

PENTAFID
Pen"ta*fid, a. Etym: [Penta- + root of L. findere to split.] (Bot.)

Defn: Divided or cleft into five parts.

PENTAGLOT
Pen"ta*glot, n. Etym: [Penta- + -glot, as in polyglot.]

Defn: A work in five different tongues.

PENTAGON
Pen"ta*gon, n. Etym: [Gr. Penta-) + gwni`a angle: cf. L. pentagonium,
F. pentagone.] (Geom.)