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  • English Word Pentachord Definition An ancient instrument of music with five strings.
  • English Word Pentachord Definition An order or system of five sounds.
  • English Word Pentacid Definition Capable of neutralizing, or combining with, five molecules of a monobasic acid; having five hydrogen atoms capable of substitution by acid residues; -- said of certain complex bases.
  • English Word Pentacle Definition A figure composed of two equilateral triangles intersecting so as to form a six-pointed star, -- used in early ornamental art, and also with superstitious import by the astrologers and mystics of the Middle Ages.
  • English Word Pentacoccous Definition Composed of five united carpels with one seed in each, as certain fruits.
  • English Word Pentaconter Definition See Penteconter.
  • English Word Pentacra Definition of Pentacron
  • English Word Pentacrinin Definition A red and purple pigment found in certain crinoids of the genus Pentacrinus.
  • English Word Pentacrinite Definition Any species of Pentacrinus.
  • English Word Pentacrinoid Definition An immature comatula when it is still attached by a stem, and thus resembles a Pentacrinus.
  • English Word Pentacrinus Definition A genus of large, stalked crinoids, of which several species occur in deep water among the West Indies and elsewhere.
  • English Word Pentacron Definition A solid having five summits or angular points.
  • English Word Pentacrons Definition of Pentacron
  • English Word Pentacrostic Definition A set of verses so disposed that the name forming the subject of the acrostic occurs five times -- the whole set of verses being divided into five different parts from top to bottom.
  • English Word Pentad Definition Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.
  • English Word Pentad Definition Having the valence of a pentad.
  • English Word Pentadactyl Definition Alt. of Pentadactyle
  • English Word Pentadactyle Definition Having five digits to the hand or foot.
  • English Word Pentadactyle Definition Having five appendages resembling fingers or toes.
  • English Word Pentadactyloid Definition Having the form of, or a structure modified from, a pentadactyl limb.
  • English Word Pentadecane Definition 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.
  • English Word Pentadecatoic Definition Of, pertaining to, or derived from, pentadecane, or designating an acid related to it.
  • English Word Pentadecylic Definition Same as Quindecylic.
  • English Word Pentadelphous Definition Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden.
  • English Word Pentafid Definition Divided or cleft into five parts.
  • English Word Pentaglot Definition A work in five different tongues.
  • English Word Pentagon Definition A plane figure having five angles, and, consequently, five sides; any figure having five angles.
  • English Word Pentagonal Definition Having five corners or angles.
  • English Word Pentagonally Definition In the form of a pentagon; with five angles.
  • English Word Pentagonous Definition Pentagonal.