11-letter words containing p, e, r, t
- heat cramps — a cramp or muscular spasm caused by loss of water and salt following prolonged exertion in hot weather.
- heater plug — one of usually four plugs fitted to the cylinder block of a diesel engine that warms the engine chamber to facilitate starting in cold weather
- helicopters — Plural form of helicopter.
- heliotropes — Plural form of heliotrope.
- heliotropic — turning or growing toward the light.
- heliotropin — piperonal.
- hemeprotein — (protein) Any conjugated protein containing heme as the prosthetic group.
- hemipterans — Plural form of hemipteran.
- hemipterous — belonging or pertaining to the Hemiptera, an order of insects having forewings that are thickened and leathery at the base and membranous at the apex, comprising the true bugs.
- hemiterpene — (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
- hemoprotein — Alternative spelling of hemeprotein.
- hemotherapy — therapy by means of blood, serum, or plasma transfusion.
- hemotrophic — the material from the maternal bloodstream and placenta that nourishes a mammalian embryo.
- heptahedron — a solid figure having seven faces.
- heptamerous — consisting of or divided into seven parts.
- heptameters — Plural form of heptameter.
- heptandrous — (of a flower) having seven stamens
- heptangular — having seven angles.
- heptarchies — Plural form of heptarchy.
- heptarchist — A ruler of one division of a heptarchy.
- herpetology — the branch of zoology dealing with reptiles and amphibians.
- hertzsprung — Ejnar (ˈəɪnar). 1873–1967, Danish astronomer: he discovered the existence of giant and dwarf stars, originating one form of the Hertzsprung-Russell diagram
- heterocarpy — the production of more than one kind of fruit in one plant.
- heteromorph — (zoology) An ammonite whose shell is unusual in not being a regular spiral.
- heterophemy — The use of one word or phrase when another is meant.
- heterophile — Able to react immunologically with material from another species.
- heterophobe — Someone who suffers from heterophobia.
- 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.
- heterophyte — a plant that secures its nutrition directly or indirectly from other organisms; a parasite or saprophyte.
- heteroplasm — (pathology) Tissue growing in a part of the body where it does not normally occur.
- heteroploid — (biology) Having a chromosome number that is neither the haploid nor the diploid number normal in the species.
- heteropolar — polar (def 4).
- heteroptics — incorrect or perverted perception of what is seen; hallucinatory vision.
- heterospory — the production of both microspores and megaspores.
- heterotopia — misplacement or displacement, as of an organ.
- heterotroph — Biology. an organism requiring organic compounds for its principal source of food.
- heterotypic — of or relating to the first or reductional division in meiosis.
- hexapartite — sexpartite.
- hierophants — Plural form of hierophant.
- high priest — a chief priest.
- hip pointer — a painful bruise or torn muscle at the upper ridge of the pelvis
- hip-shooter — a person who acts or talks in a rash, impetuous way
- hippeastrum — any plant of the South American amaryllidaceous genus Hippeastrum: cultivated for their large funnel-shaped typically red flowers
- hippocrates — ("Father of Medicine") c460–c377 b.c, Greek physician.
- hipsterisms — a usually young person who is trendy, stylish, or progressive in an unconventional way; someone who is hip.
- homeporting — Present participle of homeport.
- homopterans — Plural form of homopteran.
- homopterous — belonging or pertaining to the Homoptera, an order of insects closely related to the hemipterous insects (in some classifications a suborder of Hemiptera) but having membranous forewings and hind wings, including the aphids, cicadas, leafhoppers, planthoppers, and scale insects.
- hop trefoil — a leguminous plant, Trifolium campestre, of N temperate grasslands, with globular yellow flower heads and trifoliate leaves