12-letter words containing r, m, c
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hermeneutics — the science of interpretation, especially of the Scriptures.
- hermetically — so as to be airtight: hermetically sealed.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- herstmonceux — a village in S England, in E Sussex north of Eastbourne: 15th-century castle, site of the Royal Observatory, which was transferred from Greenwich between 1948 and 1958, until 1990
- heterochrome — heterochromatic.
- hibernaculum — a protective case or covering, especially for winter, as of an animal or a plant bud.
- hidrocystoma — An adenoma of the sweat glands.
- hire company — a company that hires things out to people
- home country — the country a person comes from
- home stretch — final stages: of race or journey
- home teacher — private tutor
- homeomorphic — similarity in crystalline form but not necessarily in chemical composition.
- homeothermic — (biology, of an, animal) Capable of maintaining a relatively constant body temperature independent of the surrounding environment.
- homeschooler — One who homeschools a student (typically the parent).
- homescreetch — a mistle thrush
- homo erectus — an extinct species of the human lineage, formerly known as Pithecanthropus erectus, having upright stature and a well-evolved postcranial skeleton, but with a smallish brain, low forehead, and protruding face.
- homochromous — being all of one color, as a composite flower or flower head.
- homochronous — (of a genetic character) occurring at the same age or period in the offspring as in the parent.
- homoromantic — Romantically attracted to those of the same gender.
- horometrical — Relating to horometry.
- hunger march — a procession of protest or demonstration by the unemployed
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydromorphic — of or relating to soil having characteristics that are developed when there is excess water all or part of the time.
- hyperchromic — (physics, chemistry) Describing an increase in the intensity of a spectral band due to a change in the molecular environment.
- hypercomplex — (mathematics) Describing any of several types of higher-dimensional numbers having some characteristics of complex numbers.
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hyperendemic — manifesting a high and persistent occurrence
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hyperlipemic — characterized by an excessive level of fat in the blood
- hypermagical — produced by or as if by magic: The change in the appearance of the room was magical.
- hypermediacy — Hypermedia literacy; the state of being conversant with hypermedia technologies.
- hypersarcoma — a growth of proud or fungous flesh
- hypersomniac — a tendency to sleep excessively.
- hyperthermic — Having a very high body temperature.
- hypsochromic — (physics) Of a change in the position of a spectral band, to a higher frequency.
- hysterectomy — excision of the uterus.
- ian maclaren — James Dewey, born 1928, U.S. biologist: Nobel Prize in medicine 1962.
- iatrochemist — a person who practises iatrochemistry
- icbm address — (networking, humour) (Or "missile address") The form used to register a site with the Usenet mapping project includes a space for longitude and latitude, preferably to seconds-of-arc accuracy. This is actually used for generating geographically-correct maps of Usenet links on a plotter; however, it has become traditional to refer to this as one's "ICBM address" or "missile address", and many people include it in their sig block with that name. (A real missile address would include target altitude.)
- idiorhythmic — (of an institution) allowing each member to regulate his or her own life
- imidacloprid — The insecticide 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine used to control fleas in domestic pets.
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- imparticular — (proscribed) in particular.
- imperception — lack of perception.
- imperceptive — not perceptive; lacking perception.
- impercipient — lacking perception; imperceptive.
- imperfection — an imperfect detail; flaw: a law full of imperfections.
- imperfective — noting an aspect of the verb, as in Russian, that indicates incompleteness of the action or state at a temporal point of reference.