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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)

hyacinthus
nounLow
/ˌhaɪəˈsɪnθəs/The genus name for a group of flowering plants in the family Asparagaceae, commonly referred to as hyacinths.
hyades
nounplural-nounC2
/ˈhaɪ.ə.diːz/A prominent open star cluster in the constellation Taurus, appearing as a V-shaped group of stars near the bright star Aldebaran.
hyaena
nounLow Frequency
/haɪˈiː.nə/A carnivorous mammal native to Africa and Asia, known for its scavenging habits, strong jaws, and distinctive laughing-like vocalization.
hyalin
nounVery Low
/ˈhaɪ.ə.lɪn/A clear, glassy, homogeneous substance, especially the transparent material found in cartilage, certain tissues, or pathological deposits.
hyaline
adjectivenounC2
/ˈhʌɪ.ə.laɪn/A clear, glassy, transparent substance or appearance.
hyaline cartilage
nounRare/Very low frequency
/ˌhaɪ.ə.laɪn ˈkɑː.tɪ.lɪdʒ/A translucent, bluish-white type of cartilage found on joint surfaces, in the respiratory tract, and in developing bone, providing a smooth, low-friction surface for movement.
hyaline membrane disease
nounVery Low
/ˌhaɪ.ə.laɪn ˈmɛm.breɪn dɪˌziːz/A severe respiratory condition in premature newborns, caused by insufficient surfactant in the lungs.
hyalinization
nounVery Low
/ˌhaɪ.ə.lɪ.naɪˈzeɪ.ʃən/The process of becoming hyaline (glass-like, transparent, and homogeneous) in tissue or cellular structure.
hyalinize
verb-intransitiveC2
/ˈhaɪ.ə.lɪ.naɪz/To become or cause to become glassy, transparent, or hyaline in structure.
hyalite
nounRare (Specialized/Low)
/ˈhaɪəlaɪt/A colorless, transparent or translucent variety of opal, often with a glassy, vitreous appearance.
hyalograph
nounObscure/Technical
/ˈhaɪ.ə.lə.ɡrɑːf/An instrument for tracing designs on glass or engraving on glass surfaces.
hyalography
nounExtremely Rare (Obsolete/Technical)
/ˌhʌɪəˈlɒɡrəfi/The art or process of engraving on glass.
hyaloid
adjectivenounvery_low
/ˈhaɪəlɔɪd/transparent, glassy, like glass
hyaloid membrane
nounVery Low
/ˈhaɪ.ə.lɔɪd ˈmɛm.breɪn/The transparent, thin membrane that surrounds the vitreous body of the eye.
hyalomere
nounVery Low
/ˈhaɪələʊˌmɪə/The clear, non‑granular portion of a blood platelet, surrounding the granular chromomere.
hyalophane
nounVery low
/ˌhaɪələ(ʊ)ˈfeɪn/A rare mineral, a variety of celsian (barium feldspar) containing potassium.
hyaloplasm
nounC1/C2
/ˈhaɪələ(ʊ)ˌplaz(ə)m/The clear, fluid portion of the cytoplasm within a cell, excluding organelles and other inclusions.
hyaluronic acid
nounLow
/ˌhaɪ.ə.ljʊˈrɒn.ɪk ˈæs.ɪd/A viscous, slippery substance naturally produced by the body and found in connective tissues, skin, eyes, and joints.
hyaluronidase
nounTechnical/Rare
/ˌhʌɪəˌljʊəˈrɒnɪdeɪz/An enzyme that breaks down hyaluronic acid.
hyannis port
nounLow
/haɪˈænɪs pɔːt/A small harbour and village on the southern coast of Cape Cod, Massachusetts, USA.

Showing 5341–5360 of 5990 words.