12-letter words starting with he
- heavenliness — (uncountable) The state or quality of being heavenly.
- heavy bomber — a large plane capable of carrying heavy bomb loads for long distances, especially at high altitudes.
- heavy hitter — a baseball player who makes many extra-base hits.
- heavy oxygen — either of the two stable isotopes of oxygen having mass numbers of 17 and 18.
- heavy-footed — clumsy or ponderous, as in movement or expressiveness: music that is heavy-footed and uninspired.
- heavy-handed — oppressive; harsh: a heavy-handed master.
- heavyhearted — Sad.
- heavyweights — Plural form of heavyweight.
- hebdomadally — taking place, coming together, or published once every seven days; weekly: hebdomadal meetings; hebdomadal groups; hebdomadal journals.
- hebephreniac — a person suffering from hebephrenia
- hebetudinous — the state of being dull; lethargy.
- heckelphones — Plural form of heckelphone.
- hectic fever — a fever associated with tuberculosis
- hectocotylus — a modified arm of the male of certain cephalopods that is used to transfer sperm to the female.
- hedda gabler — a play (1890) by Henrik Ibsen.
- hedenbergite — a contact metamorphic mineral of the pyroxene family, calcium ferrous silicate, CaFe(SiO 3) 2 , that forms black prismatic crystals in crystalline limestone.
- hedge garlic — an erect, cruciferous herb, Sisymbrium officinale, having a garlicky odor.
- hedge hyssop — any plant of the genus Gratiola, a bitter herb used medicinally.
- hedge laying — the art or practice of making or maintaining a hedge by cutting branches partway through, laying them horizontally, and pegging them in position in order to create a strong thick hedge
- hedge nettle — a slender-leafed, hairy plant, Stachys palustris, of the mint family, abundant along roadsides and in fields and marshes, having clusters of tubular, purple flowers on a spike.
- hedge-school — a school held out of doors in favourable weather, indoors in winter
- hedgehopping — Present participle of hedgehop.
- heedlessness — The state or character of being heedless; inattention; carelessness; thoughtlessness.
- heel-and-toe — noting a pace, as in walking contests, in which the heel of the front foot touches ground before the toes of the rear one leave it.
- heeling tank — either of two lateral ballast tanks permitting an icebreaker to heel and crush ice to either side.
- heffelfinger — William Walter ("Pudge") 1867–1954, U.S. football player.
- hegemonistic — the policy or practice of hegemony to serve national interests.
- height gauge — an object used to measure the height of somebody or something, for example to measure the height of people for medical purposes
- heilongjiang — a province in NE China, S of the Amur River. 108,880 sq. mi. (281,999 sq. km). Capital: Harbin.
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- heldentenors — Plural form of heldentenor.
- helianthemum — (botany) Any of the genus Helianthemum of rockroses.
- helianthuses — Plural form of helianthus.
- helical gear — a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner.
- helical rack — a rack having teeth set at an oblique angle to the edges. Compare rack1 (def 5).
- helical scan — denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix
- helichrysums — Plural form of helichrysum.
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- helicoptered — Simple past tense and past participle of helicopter.
- heliocentric — measured or considered as being seen from the center of the sun.
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliogravure — photoengraving.
- heliophilous — attracted to sunlight
- heliospheric — Of or pertaining to the heliosphere.
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.