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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)

helm
nounverbverb-transitiveB2
/hɛlm/A tiller or wheel for steering a ship or boat; a position of leadership or control.
helm port
nounC2 / Very Rare
/ˈhɛlm ˌpɔːt/A small, round window or opening in the rear of a ship's hull, traditionally near or at the steering position, used for ventilation or light.
helmand
nounRare
/ˈhɛlmænd/A proper noun referring to the longest river in Afghanistan, or the province in southwestern Afghanistan named after the river.
helmer
nounLow (Specialized)
/ˈhɛlmə/A person who directs a film or theatre production; a director.
helmet
nounB1
/ˈhelmɪt/A protective covering for the head, typically made of hard material like metal or plastic.
helmet liner
nounC2
/ˈhelmɪt ˈlaɪnə/A removable, often padded or cushioned inner component of a helmet, designed to fit the head comfortably and improve protection.
helmet shell
nounLow
/ˈhelmɪt ʃɛl/A marine gastropod mollusc (of the family Cassidae) with a thick, helmet-shaped shell.
helmeted guinea fowl
nounLow
/ˌhelmɪtɪd ˈɡɪni ˌfaʊl/A species of large, ground-dwelling bird (Numida meleagris), native to Africa, characterized by a distinctive bony casque or "helmet" on its head, grey-black feathers with white spots, and a featherless blue-grey head and neck.
helmholtz
nounC2
/ˈhɛlmhɒlts/A proper noun referring to Hermann von Helmholtz (1821–1894), a German physicist and physiologist.
helmholtz function
nounC2
/ˈhɛlmhɒlts ˈfʌŋ(k)ʃən/A thermodynamic potential, also known as the Helmholtz free energy, used to measure the useful work obtainable from a closed system at constant temperature and volume.
helminth
nounC2
/ˈhelmɪnθ/A worm, especially a parasitic worm such as a tapeworm, roundworm, or fluke.
helminthiasis
nounVery Low
/ˌhɛlmɪnˈθaɪəsɪs/A disease caused by parasitic worms (helminths) living inside the body.
helminthic
adjectivenounC2
/helˈmɪnθɪk/Relating to or caused by parasitic worms (helminths).
helminthology
nounVery Low
/ˌhelmɪnˈθɒlədʒi/The branch of zoology concerned with the study of parasitic worms (helminths).
helmont
nounExtremely Rare / Archaic / Historical
/ˈhɛlmɒnt/A historical term referring to something related to or derived from Jan Baptist van Helmont, a Flemish chemist, physiologist, and physician. Most commonly used as an eponymous adjective.
helmsman
nounLow
/ˈhɛlmzmən/The person who steers a ship or boat.
helmsperson
nounC2
/ˈhɛlmzpɜːs(ə)n/A person who steers a ship or boat.
helmswoman
nounLow
/ˈhɛlmzˌwʊmən/A woman who steers a ship or boat; a female helmsman.
helo
nounA1
/həˈləʊ/A greeting used to attract attention or begin a conversation.
heloc
nounLow (in general English); Medium-High (in financial/business contexts)
/ˈhiːlɒk/A Home Equity Line of Credit (HELOC); a type of loan where a lender agrees to provide a borrower with a line of credit secured by the equity in their home.

Showing 2221–2240 of 5990 words.