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  • English Word Periculum Definition Danger; risk.
  • English Word Periculum Definition In a narrower, judicial sense: Accident or casus, as distinguished from dolus and culpa, and hence relieving one from the duty of performing an obligation.
  • English Word Periderm Definition The outer layer of bark.
  • English Word Periderm Definition The hard outer covering of hydroids and other marine animals; the perisarc.
  • English Word Peridia Definition of Peridium
  • English Word Peridiastole Definition The almost inappreciable time which elapses between the systole and the diastole of the heart.
  • English Word Peridium Definition The envelope or coat of certain fungi, such as the puffballs and earthstars.
  • English Word Peridot Definition Chrysolite.
  • English Word Peridotite Definition An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.
  • English Word Peridrome Definition The space between the columns and the wall of the cella, in a Greek or a Roman temple.
  • English Word Periecians Definition See Perioecians.
  • English Word Perienteron Definition The primitive perivisceral cavity.
  • English Word Periergy Definition Excessive care or diligence.
  • English Word Periergy Definition A bombastic or labored style.
  • English Word Periganglionic Definition Surrounding a ganglion; as, the periganglionic glands of the frog.
  • English Word Perigastric Definition Surrounding the stomach; -- applied to the body cavity of Bryozoa and various other Invertebrata.
  • English Word Perigean Definition Pertaining to the perigee.
  • English Word Perigee Definition Alt. of Perigeum
  • English Word Perigenesis Definition A theory which explains inheritance by the transmission of the type of growth force possessed by one generation to another.
  • English Word Perigenetic Definition Of or pertaining to perigenesis.
  • English Word Perigeum Definition That point in the orbit of the moon which is nearest to the earth; -- opposed to apogee. It is sometimes, but rarely, used of the nearest points of other orbits, as of a comet, a planet, etc. Called also epigee, epigeum.
  • English Word Perigone Definition Any organ inclosing the essential organs of a flower; a perianth.
  • English Word Perigone Definition In mosses, the involucral bracts of a male flower.
  • English Word Perigone Definition A sac which surrounds the generative bodies in the gonophore of a hydroid.
  • English Word Perigonia Definition of Perigonium
  • English Word Perigonium Definition Same as Perigone.
  • English Word Perigord pie Definition A pie made of truffles, much esteemed by epicures.
  • English Word Perigraph Definition A careless or inaccurate delineation of anything.
  • English Word Perigynia Definition of Perigynium
  • English Word Perigynium Definition Some unusual appendage about the pistil, as the bottle-shaped body in the sedges, and the bristles or scales in some other genera of the Sedge family, or Cyperaceae.