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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)

homo rhodesiensis
nounC1/C2
/ˌhəʊməʊ ˌrəʊdiːziˈɛnsɪs/A species of archaic human, sometimes classified as Homo heidelbergensis, known from fossil remains found in Africa.
homo sapiens
nounC1/C2 (Specialized)
/ˌhəʊ.məʊ ˈsæp.i.enz/The species name for modern human beings, characterized by high intelligence, complex language, and advanced tool use.
homo sapiens idaltu
nounVery low
/ˌhəʊməʊ ˌsæpiənz ɪˈdæltuː/A proposed extinct subspecies of Homo sapiens, based on fossil remains discovered in Ethiopia, considered by some researchers to be an ancestral form of modern humans.
homo sapiens sapiens
nounC2
/ˌhəʊ.məʊ ˌsæp.i.ənz ˈsæp.i.ənz/The subspecies designation for modern humans, the only surviving subspecies of Homo sapiens, distinguished by high cognitive abilities, complex culture, and language.
homocysteine
nounlow
/ˌhəʊ.məʊˈsɪs.tiːn/A sulfur-containing amino acid produced as an intermediate in the metabolism of the essential amino acid methionine.
homoerotic
adjectivenounC2
/ˌhɒm.əʊ.ɪˈrɒt.ɪk/Characterized by or involving sexual attraction between persons of the same sex, often referring to suggestive or desiring imagery, art, or feelings.
homoerotica
nounC2
/ˌhəʊ.məʊ.ɪˈrɒt.ɪ.kə/Artistic works, literature, images, or media that depict or are themed around erotic desire and relationships between people of the same sex.
homoeroticism
nounLow-frequency (specialist)
/ˌhəʊ.məʊ.ɪˈrɒt.ɪ.sɪ.zəm/Erotic or sexual attraction focused on members of one's own sex.
homogamy
nounC2
/həʊˈmɒɡəmi/The marriage or union between individuals who are similar to each other, especially in social, cultural, or biological characteristics.
homogenate
nounC2
/həʊˈmɒdʒəneɪt/A substance that has been made uniform or homogeneous in composition, especially through mechanical blending or disruption.
homogeneity
nounC1
/ˌhɒm.ə.dʒəˈniː.ə.ti/The quality or state of being all the same or of the same kind; uniformity.
homogeneous charge compression ignition
nounVery Low (Highly Technical/Specialist)
/ˌhɒm.ə(ʊ)ˈdʒiː.ni.əs ˌtʃɑːdʒ kəmˈpreʃ.ən ɪɡˈnɪʃ.ən/An advanced internal combustion engine technology where a premixed, uniform fuel-air mixture ignites simultaneously throughout the cylinder via compression heat, rather than by a spark plug.
homogenesis
nounVery Low / Technical
/ˌhɒmə(ʊ)ˈdʒɛnɪsɪs/The biological process of reproduction where the offspring resembles the parents and passes through the same stages of development; reproduction without alternation of generations.
homogenic
nounLow
/ˌhɒm.ə(ʊ)ˈdʒɛn.ɪk/Of uniform nature or composition; having the same kind or structure throughout.
homogenization
nounC1
/ˌhɒm.ə.dʒə.naɪˈzeɪ.ʃən/The process of making things uniform or similar in composition, structure, or character.
homogenize
verbverb-intransitiveverb-transitiveC1
/həˈmɒdʒ.ə.naɪz/To make something uniform or similar in composition throughout.
homogentisic acid
nounVery rare
/ˌhɒmə(ʊ)ˌdʒɛnˈtɪsɪk ˈæsɪd/A phenolic acid produced as an intermediate in the metabolism of tyrosine and phenylalanine.
homogeny
nounRare / Very Low (C2)
/həˈmɒdʒəni/The state or quality of being homogeneous; similarity in structure due to common descent.
homogony
nounExtremely low; technical/scientific term
/həˈmɒɡəni/The condition of flowers having stamens and pistils of uniform length, enabling self-fertilization.
homograft
nounLow
/ˈhɒmə(ʊ)ɡrɑːft/A tissue or organ graft from a donor of the same species as the recipient.

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