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  • English Word Perlitic Definition Relating to or resembling perlite, or pearlstone; as, the perlitic structure of certain rocks. See Pearlite.
  • English Word Perlous Definition Perilous.
  • English Word Perlustration Definition The act of viewing all over.
  • English Word Permanable Definition Permanent; durable.
  • English Word Permanence Definition Alt. of Permanency
  • English Word Permanency Definition The quality or state of being permanent; continuance in the same state or place; duration; fixedness; as, the permanence of institutions; the permanence of nature.
  • English Word Permanent Definition Continuing in the same state, or without any change that destroys form or character; remaining unaltered or unremoved; abiding; durable; fixed; stable; lasting; as, a permanent impression.
  • English Word Permanently Definition In a permanent manner.
  • English Word Permanganate Definition A salt of permanganic acid.
  • English Word Permanganic Definition Pertaining to, or designating, one of the higher acids of manganese, HMnO4, which forms salts called permanganates.
  • English Word Permansion Definition Continuance.
  • English Word Permeability Definition The quality or state of being permeable.
  • English Word Permeable Definition Capable of being permeated, or passed through; yielding passage; passable; penetrable; -- used especially of substances which allow the passage of fluids; as, wood is permeable to oil; glass is permeable to light.
  • English Word Permeably Definition In a permeable manner.
  • English Word Permeant Definition Passing through; permeating.
  • English Word Permeate Definition To pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; -- applied especially to fluids which pass through substances of loose texture; as, water permeates sand.
  • English Word Permeate Definition To enter and spread through; to pervade.
  • English Word Permeated Definition of Permeate
  • English Word Permeating Definition of Permeate
  • English Word Permeation Definition The act of permeating, passing through, or spreading throughout, the pores or interstices of any substance.
  • English Word Permian Definition Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and Paleozoic era.
  • English Word Permian Definition The Permian period. See Chart of Geology.
  • English Word Permians Definition A tribe belonging to the Finnic race, and inhabiting a portion of Russia.
  • English Word Permiscible Definition Capable of being mixed.
  • English Word Permiss Definition A permitted choice; a rhetorical figure in which a thing is committed to the decision of one's opponent.
  • English Word Permissibility Definition The quality of being permissible; permissibleness; allowableness.
  • English Word Permissible Definition That may be permitted; allowable; admissible.
  • English Word Permission Definition The act of permitting or allowing; formal consent; authorization; leave; license or liberty granted.
  • English Word Permissive Definition Permitting; granting leave or liberty.
  • English Word Permissive Definition Permitted; tolerated; suffered.