11-letter words containing o, p, e, r, a, t
- heptahedron — a solid figure having seven faces.
- heptamerous — consisting of or divided into seven parts.
- heptandrous — (of a flower) having seven stamens
- 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.
- hierophants — Plural form of hierophant.
- hippocrates — ("Father of Medicine") c460–c377 b.c, Greek physician.
- homopterans — Plural form of homopteran.
- horripilate — to produce horripilation on.
- 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.
- hyetography — the study of the annual and geographical distribution of rainfall.
- hymenoptera — hymenopteran.
- hypocentral — (geology) Of or pertaining to the hypocentre of an earthquake.
- hypothecary — of or relating to a hypothec.
- hypothermal — lukewarm; tepid.
- hypothermia — Pathology. subnormal body temperature.
- ideopraxist — a person who is impelled to carry out an idea
- imperforate — Also, imperforated. not perforate; having no perforation.
- impersonate — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impetration — (obsolete) The act of impetrating, or obtaining by petition or entreaty.
- impetratory — to obtain by entreaty.
- impignorate — (obsolete, transitive) To pledge or pawn.
- importances — the quality or state of being important; consequence; significance.
- importunate — urgent or persistent in solicitation, sometimes annoyingly so.
- imprecation — the act of imprecating; cursing.
- imprecatory — to invoke or call down (evil or curses), as upon a person.
- impregnator — to make pregnant; get with child or young.
- impropriate — to transfer (property, rights, etc) from the Church into lay hands
- improvisate — To improvise; to extemporize.
- incorporate — to form into a legal corporation.
- ineptocracy — (countable, pejorative) A government characterized by incompetent leaders.
- inoperation — (obsolete) agency; influence; production of effects.
- inoperative — not operative; not in operation.
- intercupola — the space between an inner and an outer dome.
- interpolate — to introduce (something additional or extraneous) between other things or parts; interject; interpose; intercalate.
- invert soap — cationic detergent.
- isometropia — equality of refraction in the two eyes of an individual.
- isospectral — (mathematics) Having the same spectrum.
- iteroparous — (of a plant) producing flowers and fruit more than once (usually many times) before dying
- karate chop — a sharp blow used in karate, usually delivered by a slanting stroke with the side of the hand.
- karate-chop — a sharp blow used in karate, usually delivered by a slanting stroke with the side of the hand.
- keratophyre — a fine-grained soda trachyte
- keratoscope — an instrument, as Placido's disk, for determining the symmetry of the curvature of the cornea.
- keratoscopy — an instrument, as Placido's disk, for determining the symmetry of the curvature of the cornea.
- kinetograph — a camera for taking pictures for a kinetoscope.
- kleptocracy — a government or state in which those in power exploit national resources and steal; rule by a thief or thieves.