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English Words Starting With H
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- heavy hydrogen/ˌhevi ˈhaɪdrədʒən/An isotope of hydrogen (deuterium) whose nucleus contains one neutron in addition to one proton, making it about twice as heavy as ordinary hydrogen.nounC1/C2
- heavy ion/ˈhev.i ˈaɪ.ən/An ion with a large atomic mass, typically from a heavy element that has been stripped of electrons, often used in contexts like particle physics, radiotherapy, and materials science.nounLow
- heavy lifting/ˌhev.i ˈlɪf.tɪŋ/The difficult, demanding, or strenuous part of a task or work.nounB2
- heavy metal/ˌhev.i ˈmet.əl/A dense, high-atomic-weight metallic element.nounB2/C1
- heavy middleweight/ˈhɛvi ˈmɪd(ə)lweɪt/A weight class in combat sports, such as boxing or mixed martial arts, that falls between middleweight and heavyweight, typically with specific weight limits set by governing bodies.nounLow
- heavy nitrogen/ˌhevi ˈnaɪ.trə.dʒən/Nitrogen-15, a stable, naturally occurring isotope of nitrogen with one extra neutron.nounVery Low
- heavy oil/ˌhev.i ˈɔɪl/A type of crude oil with high density and viscosity, requiring more processing than light oil.nounLow
- heavy oxygen/ˌhev.i ˈɒk.sɪ.dʒən/An isotope of oxygen (oxygen-18) with two extra neutrons, making it heavier than the more common oxygen-16.nounC2
- heavy petting/ˌhev.i ˈpet.ɪŋ/Intimate physical contact between two people that involves passionate kissing, touching, and caressing, but stops short of sexual intercourse.nounMedium
- heavy spar/ˌhɛvi ˈspɑː/A mineral consisting of barium sulfate (BaSO₄), also known as barite.nounLow
- heavy water/ˌhevi ˈwɔːtə/Water in which the hydrogen atoms have been replaced by deuterium (a heavier isotope of hydrogen), making it denser than ordinary water.nounC1
- heavy-duty/ˌhev.i ˈdʒuː.ti/designed to withstand hard use or harsh conditions; durable, strong, and powerfuladjectivenounB1
- heavy-water reactor/ˌhev.i ˈwɔː.tə riˈæk.tə/A type of nuclear reactor that uses heavy water (deuterium oxide, D₂O) as its neutron moderator and coolant.nounC2
- heavyweight/ˈhɛviweɪt/A person or thing of great weight, power, or importance; in boxing, the heaviest weight class.adjectivenounB2
- hebbel/ˈhɛb(ə)l/An extremely rare, non-standard English word, sometimes a regional or dialectal variant meaning to lift or raise with effort, typically heavy or cumbersome objects.nounExtremely Rare / Obsolete
- hebdomad/ˈhɛbdə(ʊ)mad/a period of seven days; a week.nounVery Rare / Archaic
- hebdomadal/hɛbˈdɒm.ə.dəl/Occurring, appearing, or done every week; weekly.adjectivenounC2
- hebdomadal council/hɛbˈdɒm.ə.dəl ˈkaʊn.səl/A governing body that meets weekly.nounVery low
- hebdomadary/hɛbˈdɒməd(ə)ri/Weekly; occurring every week.adjectivenounExtremely Rare
- hebe/ˈhiːb/To consume or drink large quantities of an alcoholic beverage, especially beer.nounLow
Showing 1921–1940 of 5990 words.