11-letter words containing n, p, t
- hemp nettle — a coarse weed of the genus Galeopsis, of the mint family, resembling hemp in appearance and having bristly hairs like the nettle.
- hepatotoxin — Any substance that causes hepatotoxicity.
- heptagynous — (of a flower) having seven pistils
- heptahedron — a solid figure having seven faces.
- heptandrous — (of a flower) having seven stamens
- heptangular — having seven angles.
- heptathlons — Plural form of heptathlon.
- heptavalent — septivalent.
- hertzsprung — Ejnar (ˈəɪnar). 1873–1967, Danish astronomer: he discovered the existence of giant and dwarf stars, originating one form of the Hertzsprung-Russell diagram
- heterophone — A word whose spelling and sound both differ from another\u2019s.
- heterophony — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- hierophants — Plural form of hierophant.
- hip pointer — a painful bruise or torn muscle at the upper ridge of the pelvis
- hispanicist — Hispanist.
- hollowpoint — Alternative form of hollow point.
- homeporting — Present participle of homeport.
- homopterans — Plural form of homopteran.
- honey plant — any of various plants that are particularly useful in providing bees with nectar
- horned pout — a bullhead, especially the brown bullhead.
- horripilant — causing horripilation, ie goose flesh, or the flesh to creep
- hospitalman — an enlisted person working as a hospital assistant; corpsman.
- hot springs — city in central Ark., adjoining a national park: the park has 47 hot mineral springs: pop. 36,000
- house plant — an ornamental plant that is grown indoors or adapts well to indoor culture.
- houseparent — one of a married couple responsible for a group of young people, as students, living in a dormitory, hostel, etc., sometimes acting solely as an advisor, but often serving as host or hostess, chaperon, housekeeper, etc.
- houseplants — Plural form of houseplant.
- humming top — a top that hums as it spins
- hydrophyton — a branched plant-like structure which supports colonial animals such as zooids
- hymenoptera — hymenopteran.
- hyperextend — Forcefully extend (a limb or joint ) beyond its normal limits, either in exercise or therapy or so as to cause injury.
- hyperinotic — of or suffering from hyperinosis
- hypersthene — a dark iron magnesium silicate, an orthorhombic pyroxene containing more than 14 percent ferrous oxide.
- hypervalent — (chemistry) having a higher than normal valence.
- hyphenating — Present participle of hyphenate.
- hyphenation — to join by a hyphen.
- hypnotising — Present participle of hypnotise.
- hypnotistic — of or relating to a hypnotist
- hypnotizing — Present participle of hypnotize.
- hypocenters — Plural form of hypocenter.
- hypocentral — (geology) Of or pertaining to the hypocentre of an earthquake.
- hypocretins — Plural form of hypocretin.
- hypokinetic — abnormally diminished muscular function or mobility.
- hyponitrite — a salt or ester of hyponitrous acid.
- hyponitrous — of or derived from hyponitrous acid.
- hyposthenia — abnormal lack of strength; weakness.
- hypotension — decreased or lowered blood pressure.
- hypotensive — characterized by or causing low blood pressure, as shock.
- hypotenuses — Plural form of hypotenuse.
- hypothenuse — hypotenuse.
- hypoxanthin — (organic compound) A crystalline nitrogenous substance, closely related to xanthin and uric acid, found throughout the animal body but especially in muscle tissue.
- ideal point — the point at infinity in projective geometry at which parallel lines intersect.