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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