Pen`ta*dac"tyl*oid (?), a. [Pentadactyl + -oid.] (Anat.) Having the
form of, or a structure modified from, a pentadactyl limb.
Pen`ta*dec"ane (?), n. [Penta- + Gr. &?; ten.] (Chem.) A hydrocarbon of
the paraffin series, (C15H32) found in petroleum, tar oil, etc., and
obtained as a colorless liquid; -- so called from the fifteen carbon
atoms in the molecule.
Pen`ta*dec`a*to"ic (?), a. [Penta- + decatoic.] (Chem.) Of, pertaining
to, or derived from, pentadecane, or designating an acid related to it.
Pen`ta*decyl"ic (?), a. [Penta- + decylic.] (Chem.) Same as
Quindecylic.
Pen`ta*del"phous (?), a. [Penta- + Gr. &?; brother.] (Bot.) Having the
stamens arranged in five clusters, those of each cluster having their
filaments more or less united, as the flowers of the linden.
<! p. 1062 !>
Pen"ta*fid (?), a. [Penta- + root of L. findere to split.] (Bot.)
Divided or cleft into five parts.
Pen"ta*glot (?), n. [Penta- + -glot, as in polyglot.] A work in five
different tongues.
Pen"ta*gon (?), n. [Gr. &?;; &?; (see Penta-) + gwni`a angle: cf. L.
pentagonium, F. pentagone.] (Geom.) A plane figure having five angles,
and, consequently, five sides; any figure having five angles.
Regular pentagon, a pentagon in which the angles are all equal, and the
sides all equal.
Pen*tag"o*nal (?), a. [Cf. F. pentagonal, pentagone, L. pentagonus,
pentagonius, Gr. &?;.] Having five corners or angles.
Pentagonal dodecahedron. See Dodecahedron, and Pyritohedron.
Pen*tag"o*nal*ly, adv. In the form of a pentagon; with five angles. Sir
T. Browne.
Pen*tag"o*nous (?), a. Pentagonal.
Pen"ta*gram (?), n. [Gr. &?;, neut. of &?; having five lines. See
Penta-, and -gram.] A pentacle or a pentalpha. "Like a wizard
pentagram." Tennyson.
{ Pen`ta*graph"ic (?), Pen`ta*graph"ic*al (?), } a. [Corrupted fr.
pantographic, - ical.] Pantographic. See Pantograph.
||Pen`ta*gyn"i*a (?), n. pl. [NL., fr. Gr. &?; (see Penta-) + &?;
||female.] (Bot.) A LinnÊan order of plants, having five styles or
||pistils.
{ Pen`ta*gyn"i*an (?), Pen*tag"y*nous (?), } a. (Bot.) Of or pertaining
to plants of the order Pentagyna; having five styles.
Pen`ta*he"dral (?), a. Having five sides; as, a pentahedral figure.