13-letter words containing r, o, m, i
- harmonic mean — the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers.
- harmonic tone — a tone produced by suppressing the fundamental tone and bringing into prominence one of its overtones.
- harmonisation — (British spelling) alternative spelling of harmonization.
- harmonization — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
- hatemongering — The behaviour of a hatemonger; the spreading of hatred.
- heart monitor — a machine that registers the activity of the heart
- heliocentrism — The theory that the sun is the center of the universe, (This theory is historically important and was widely accepted at the time of Copernicus, Galileo and Kepler.).
- hemichordates — Plural form of hemichordate.
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- hemp agrimony — a European composite plant, Eupatorium cannabinum, having dull purplish flowers.
- hermaphrodism — the condition of being a hermaphrodite.
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hetero-sexism — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterodimeric — (chemistry) produced from two similar but different monomers.
- heterogametic — (of a species or individual organism) having two unlike gametes.
- heteromorphic — Biology. dissimilar in shape, structure, or magnitude.
- heterostylism — the condition of being heterostyled
- heterothermic — Relating to, or exhibiting, heterothermy.
- hierogrammate — a writer of hierograms
- histogramming — (mathematics) The construction of histograms.
- histrionicism — histrionic behaviour or acts
- holiday-maker — vacationer.
- holidaymakers — Plural form of holidaymaker.
- homalographic — representing parts with like proportions.
- home delivery — delivery to one's home
- home straight — the section of a racecourse forming the approach to the finish
- homeomorphism — similarity in crystalline form but not necessarily in chemical composition.
- homeownership — a person who owns a home.
- homochromatic — of or relating to one hue; monochromatic.
- homoeroticism — a tendency to be sexually aroused by a member of the same sex.
- homoiothermal — having a body temperature that is relatively constant and mostly independent of the temperature of the environment; warm-blooded (opposed to poikilothermic).
- homoiothermic — (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings; warm-blooded
- homolographic — representing parts with like proportions.
- homomorphosis — the regrowth by a plant or animal of an organ, tissue or another part that has been lost or destroyed
- homopolymeric — relating to or made of homopolymers
- hormic theory — a theory that holds all behavior to be purposive, whether conscious or unconscious.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- housewarmings — Plural form of housewarming.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydromedusoid — a jellyfish or something resembling a jellyfish that lives in water
- hydronium ion — the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hygrometrical — Alternative form of hygrometric.
- hypermetropia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hypermetropic — Exhibiting or relating to hypermetropia.
- hypermobility — An excess amount of elasticity in a bodily joint.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermotility — excessive motility of the stomach or intestine (opposed to hypomotility).
- hypermutation — (uncountable) Frequent mutation.