10-letter words containing a, e, r, o, p
- heptachlor — a highly toxic, light-tan, waxy solid, C 10 H 5 Cl 7 , used as an insecticide: its manufacture and use are restricted in the U.S.
- heptachord — a musical scale of seven notes.
- heptameron — A literary work whose action covers a period of seven days.
- hierograph — sacred writing or characters
- hierophant — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- hierophany — A physical manifestation of the holy or sacred, serving as a spiritual eidolon for emulation or worship.
- holophrase — a word functioning as a phrase or sentence, as the imperative Go!
- home scrap — scrap steel reprocessed in the steel mill in which it was produced.
- homopteran — homopterous.
- hop garden — a field of hops
- hopper car — a freight car, usually open at the top and containing one or more hoppers so that bulk cargo can be quickly discharged through its bottom.
- hospitaler — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- hydrophane — a partly translucent variety of opal, which becomes more translucent or transparent when immersed in water.
- hydroplane — a seaplane.
- hydrospace — the regions beneath the surface of the oceans and seas.
- hyetograph — a map or chart showing the average rainfall for the localities represented.
- hypaethron — a part of a building or court which is open to the sky
- hyperbaton — the use, especially for emphasis, of a word order other than the expected or usual one, as in “Bird thou never wert.”.
- hyperbolas — Plural form of hyperbola.
- hyperchaos — (mathematics) A form of chaotic behaviour with at least two positive Lyapunov exponents.
- hyperfocal — relating to the distance beyond which a lens can be focused to produce satisfactory image quality
- hyperlocal — relating to or focused on a very small geographical community, as a neighborhood: hyperlocal news websites; hyperlocal advertising.
- hypernovae — Plural form of hypernova.
- hyperosmia — an abnormally acute sense of smell.
- hyperpnoea — abnormally deep or rapid respiration.
- hypertonia — increased rigidity, tension, and spasticity of the muscles.
- hyphenator — One who, or that which, hyphenates.
- hypodermal — Zoology. an underlayer of epithelial cells in arthropods and certain other invertebrates that secretes substances for the overlying cuticle or exoskeleton.
- hypometria — Dysmetria in which the patient tends to undershoot the intended target.
- hyporchema — a lively choral ode sung in ancient Greece in honor of Apollo or Dionysus.
- hypothenar — the fleshly prominence on the palm at the base of the little finger.
- ideographs — an ideogram.
- ideography — the use of ideograms.
- imperators — Plural form of imperator.
- impersonal — not personal; without reference or connection to a particular person: an impersonal remark.
- implorable — to beg urgently or piteously, as for aid or mercy; beseech; entreat: They implored him to go.
- importable — to bring in (merchandise, commodities, workers, etc.) from a foreign country for use, sale, processing, reexport, or services.
- importance — the quality or state of being important; consequence; significance.
- impresario — a person who organizes or manages public entertainments, especially operas, ballets, or concerts.
- improbable — not probable; unlikely to be true or to happen: Rain is improbable tonight.
- improperia — reproach (def 8).
- improvable — to bring into a more desirable or excellent condition: He took vitamins to improve his health.
- incompared — incomparable; unmatched; unequalled
- infraposed — placed beneath
- inoperable — not operable or practicable.
- inoperancy — The quality of being inoperant or inoperative, of lacking the power to be effective or effectual.
- interpolar — connecting or being between poles: an interpolar flight.
- interposal — (dated) interposure.
- jazzperson — A jazz musician.
- jeopardies — Plural form of jeopardy.