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  • English Word Heptane Definition Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); -- so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.
  • English Word Heptangular Definition Having seven angles.
  • English Word Heptaphyllous Definition Having seven leaves.
  • English Word Heptarch Definition Same as Heptarchist.
  • English Word Heptarchic Definition Of or pertaining to a heptarchy; constituting or consisting of a heptarchy.
  • English Word Heptarchist Definition A ruler of one division of a heptarchy.
  • English Word Heptarchy Definition A government by seven persons; also, a country under seven rulers.
  • English Word Heptaspermous Definition Having seven seeds.
  • English Word Heptastich Definition A composition consisting of seven lines or verses.
  • English Word Heptateuch Definition The first seven books of the Testament.
  • English Word Heptavalent Definition Having seven units of attractive force or affinity; -- said of heptad elements or radicals.
  • English Word Heptene Definition Same as Heptylene.
  • English Word Heptine Definition Any one of a series of unsaturated metameric hydrocarbons, C7H12, of the acetylene series.
  • English Word Heptoic Definition Pertaining to, or derived from, heptane; as, heptoic acid.
  • English Word Heptone Definition A liquid hydrocarbon, C7H10, of the valylene series.
  • English Word Heptyl Definition A compound radical, C7H15, regarded as the essential radical of heptane and a related series of compounds.
  • English Word Heptylene Definition A colorless liquid hydrocarbon, C7H14, of the ethylene series; also, any one of its isomers. Called also heptene.
  • English Word Heptylic Definition Pertaining to, or derived from, heptyl or heptane; as, heptylic alcohol. Cf. /nanthylic.
  • English Word Her Definition The form of the objective and the possessive case of the personal pronoun she; as, I saw her with her purse out.
  • English Word Her Definition Alt. of Here
  • English Word Heracleonite Definition A follower of Heracleon of Alexandria, a Judaizing Gnostic, in the early history of the Christian church.
  • English Word Herakline Definition A picrate compound, used as an explosive in blasting.
  • English Word Herald Definition An officer whose business was to denounce or proclaim war, to challenge to battle, to proclaim peace, and to bear messages from the commander of an army. He was invested with a sacred and inviolable character.
  • English Word Herald Definition In the Middle Ages, the officer charged with the above duties, and also with the care of genealogies, of the rights and privileges of noble families, and especially of armorial bearings. In modern times, some vestiges of this office remain, especially in England. See Heralds' College (below), and King-at-Arms.
  • English Word Herald Definition A proclaimer; one who, or that which, publishes or announces; as, the herald of another's fame.
  • English Word Herald Definition A forerunner; a a precursor; a harbinger.
  • English Word Herald Definition Any messenger.
  • English Word Herald Definition To introduce, or give tidings of, as by a herald; to proclaim; to announce; to foretell; to usher in.
  • English Word Heralded Definition of Herald
  • English Word Heraldic Definition Of or pertaining to heralds or heraldry; as, heraldic blazoning; heraldic language.