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English Words Starting With H

5,990 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

hexameter
adjectivenounC2
/hɛkˈsæm.ɪ.tə/A line of verse consisting of six metrical feet.
hexamethonium
nounRare
/ˌhɛksəmɪˈθəʊnɪəm/A synthetic compound that acts as a ganglion-blocking agent, historically used to treat severe hypertension.
hexamethylene
nounVery Low
/ˌhɛksəˈmɛθɪliːn/A saturated hydrocarbon radical or compound, specifically (CH₂)₆, derived from hexane, often referring to a six-carbon chain or ring structure.
hexamethylenetetramine
nounVery Low
/ˌhɛksəˌmɛθɪliːnˈtɛtrəmiːn/A crystalline organic compound (C6H12N4) formed by the reaction of formaldehyde and ammonia.
hexamine
nounC2 / Very Low Frequency
/ˈhɛksəmiːn/A white crystalline compound used chiefly as a solid fuel for camping stoves and in chemical synthesis.
hexanaphthene
nounVery Rare
/ˌhɛksəˈnæfθiːn/A cyclic hydrocarbon (C6H12), specifically a cycloalkane, which is a saturated ring compound with six carbon atoms.
hexane
nounC1
/ˈhɛk.seɪn/A colourless, flammable liquid hydrocarbon with six carbon atoms in a straight chain, a component of petrol and a common solvent in laboratories.
hexanedioic acid
nounC2
/ˌhɛkseɪndaɪˈəʊɪk ˈæsɪd/A white crystalline dicarboxylic acid with the chemical formula C₆H₁₀O₄.
hexanitrate
nounVery low
/ˌhɛksəˈnaɪtreɪt/A chemical compound containing six nitrate groups.
hexanoic acid
nounC2
/ˌhɛksəˈnəʊɪk ˈæsɪd/A saturated fatty acid with six carbon atoms (C6H12O2), known for its unpleasant odor.
hexapla
nounVery Rare / Obsolete / Specialized
/ˈhɛksəplə/A scholarly edition or critical compilation of a text, especially the Old Testament, presenting six different versions or translations in parallel columns for comparative study.
hexaploid
adjectivenounC2
/ˈhɛksəplɔɪd/An organism or cell having six complete sets of chromosomes, which is twice the triploid number.
hexapod
adjectivenounLow (C2)
/ˈhɛksəpɒd/A creature with six legs.
hexapody
nounVery Low (C2)
/hɛkˈsæpədi/A metrical line in poetry consisting of six feet.
hexarchy
nounVery Low
/ˈhɛksɑːki/A coalition or government of six distinct states or ruling authorities.
hexastich
nounC2/Extremely Rare
/ˈhɛk.sə.stɪk/a poem, stanza, or group of six lines.
hexastichon
nounC2
/hɛkˈstɪkən/A poem, stanza, or group of six lines of verse.
hexastyle
adjectivenounC2
/ˈhɛkstəˌstʌɪl/Having six columns at the front.
hexasyllable
nounVery Low
/ˈhɛk.səˌsɪ.lə.bəl/A word or metrical line consisting of exactly six syllables.
hexateuch
nounRare
/ˈhɛksətjuːk/A term for the first six books of the Hebrew Bible or Christian Old Testament.

Showing 2881–2900 of 5990 words.