11-letter words containing a, p, e, r
- 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
- hebephrenia — a type of schizophrenia characterized by emotionless, incongruous, or silly behavior, intellectual deterioration, and hallucinations, frequently beginning insidiously during adolescence.
- helicograph — an instrument for drawing helices.
- heliographs — Plural form of heliograph.
- heliography — The scientific study of the sun.
- hemeralopia — a condition of the eyes in which sight is normal in the night or in a dim light but is abnormally poor or wholly absent in the day or in a bright light.
- hemeralopic — (medicine) Unable to see clearly in bright light; day-blind; suffering from hemeralopia.
- hemiparesis — partial paralysis affecting only one side of the body.
- hemipterans — Plural form of hemipteran.
- hemotherapy — therapy by means of blood, serum, or plasma transfusion.
- heparinized — Simple past tense and past participle of heparinize.
- 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.
- heterocarpy — the production of more than one kind of fruit in one plant.
- heteroplasm — (pathology) Tissue growing in a part of the body where it does not normally occur.
- heteropolar — polar (def 4).
- heterotopia — misplacement or displacement, as of an organ.
- hexapartite — sexpartite.
- hierography — a treatise on religion or sacred things
- hierophants — Plural form of hierophant.
- hierophobia — an irrational fear of sacred objects or people
- 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.
- holiday rep — A holiday rep is someone employed by a holiday company to help look after people when they are on holiday.
- holographed — to make by the use of holography.
- holographer — One who creates holograms.
- holophrases — a word functioning as a phrase or sentence, as the imperative Go!
- homopterans — Plural form of homopteran.
- hoppergrass — grasshopper (def 1).
- horn-spread — (of a horned creature) the distance between the outermost tips of the horns.
- horographer — a person who reckons time
- horripilate — to produce horripilation on.
- horse opera — a television or radio program or motion picture about the Wild West, often presented serially and usually dealing with adventures of cowboys, gunmen, gold prospectors, etc. Compare Western (def 8).
- horseplayer — a habitual bettor on horse races.
- hospitaller — 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.
- house party — the guests at such an affair or party: The house party goes sailing today.
- 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.
- hydroplaned — Simple past tense and past participle of hydroplane.
- hydroplaner — a person who pilots a hydroplane, especially a professional speedboat racer.
- hydroplanes — Plural form of hydroplane.
- hyetography — the study of the annual and geographical distribution of rainfall.
- hymenoptera — hymenopteran.
- hyper-aware — having knowledge; conscious; cognizant: aware of danger.
- hyperactive — unusually or abnormally active: a company's hyperactive growth; the child's hyperactive imagination.
- hyperacuity — an extreme acuteness (of the senses)