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Pentalpha
n.
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A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol.
Pentamera
n. pl.
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An extensive division of Coleoptera, including those that normally have five-jointed tarsi. It embraces about half of all the known species of the Coleoptera.
Pentameran
n.
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One of the Pentamera.
Pentamerous
a.
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Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils.
Pentamerous
a.
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Belonging to the Pentamera.
Pentamerus
n.
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A genus of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian.
Pentameter
n.
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A verse of five feet.
Pentameter
a.
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Having five metrical feet.
Pentamethylene
n.
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A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene.
Pentandria
n. pl.
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A Linnaean class of plants having five separate stamens.
Pentandrian
a.
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Alt. of Pentandrous
Pentandrous
a.
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Of or pertaining to the class Pentadria; having five stamens.
Pentane
n.
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Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.
Pentangle
n.
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A pentagon.
Pentangular
a.
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Having five corners or angles.
Pentapetalous
a.
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Having five petals, or flower leaves.
Pentaphyllous
a.
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Having five leaves or leaflets.
Pentapody
n.
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A measure or series consisting of five feet.
Pentaptote
n.
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A noun having five cases.
Pentaptych
n.
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A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece.
Pentarchy
n.
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A government in the hands of five persons; five joint rulers.
Pentaspast
n.
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A purchase with five pulleys.
Pentaspermous
a.
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Containing five seeds.
Pentastich
n.
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A composition consisting of five verses.
Pentastichous
a.
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Having, or arranged in, five vertical ranks, as the leaves of an apple tree or a cherry tree.
Pentastomida
n. pl.
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Same as Linguatulina.
Pentastyle
a.
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Having five columns in front; -- said of a temple or portico in classical architecture.
Pentastyle
n.
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A portico having five columns.
Pentateuch
n.
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The first five books of the Old Testament, collectively; -- called also the Law of Moses, Book of the Law of Moses, etc.
Pentateuchal
a.
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Of or pertaining to the Pentateuch.