12-letter words containing r, o, m, i
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housewarming — a party to celebrate a person's or family's move to a new home.
- hydatidiform — like or resembling a hydatid
- hydrobromide — a salt formed by the direct union of hydrobromic acid and an organic base, especially an alkaloid, usually more soluble than the base.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroforming — the production of high-octane aromatic compounds for motor fuels by catalytic reforming of naphthas in the presence of hydrogen.
- hydromorphic — of or relating to soil having characteristics that are developed when there is excess water all or part of the time.
- hydrotropism — oriented growth in response to water.
- hylomorphism — the theory that every physical object is composed of two principles, an unchanging prime matter and a form deprived of actuality with every substantial change of the object.
- hyperchromic — (physics, chemistry) Describing an increase in the intensity of a spectral band due to a change in the molecular environment.
- hypersomniac — a tendency to sleep excessively.
- hypervolemia — (medicine) An abnormal increase in the volume of blood circulating through the body.
- hypogastrium — the lower and median part of the abdomen.
- hyponatremia — (medicine) An abnormally low concentration of sodium (or salt) in blood plasma.
- hypsochromic — (physics) Of a change in the position of a spectral band, to a higher frequency.
- hysteromania — unusually increased sexual desire in a woman
- iambographer — a person who writes iambs
- iatrochemist — a person who practises iatrochemistry
- idiorhythmic — (of an institution) allowing each member to regulate his or her own life
- idiothermous — warm-blooded
- ill-informed — lacking adequate or proper knowledge or information, as in one particular subject or in a variety of subjects: The public is ill-informed of the danger.
- illuminators — Plural form of illuminator.
- illuminatory — Increasing informative qualities; explanatory.
- imidacloprid — The insecticide 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine used to control fleas in domestic pets.
- immemorially — In an immemorial manner.
- immersionism — the doctrine that immersion is essential to Christian baptism.
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immobilizers — Plural form of immobilizer.
- immoderately — In an immoderate manner.
- immoderation — lack of moderation.
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- immoralities — Plural form of immorality.
- immortalised — to bestow unending fame upon; perpetuate.
- immortalized — to bestow unending fame upon; perpetuate.
- immortalizes — Third-person singular simple present indicative form of immortalize.
- impardonable — (obsolete) unpardonable.
- imperatorial — Commanding; authoritative.
- imperception — lack of perception.
- imperfection — an imperfect detail; flaw: a law full of imperfections.
- imperforable — not able to be perforated
- imperforated — Also, imperforated. not perforate; having no perforation.
- imperforates — Plural form of imperforate.
- impersonally — In an impersonal manner.
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- imperviously — In an impervious manner; impenetrably; impermeably.
- implementors — Plural form of implementor.
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.