13-letter words containing r, i, o, t
- heterochronic — a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- heteroclitous — heteroclite
- heterodimeric — (chemistry) produced from two similar but different monomers.
- heterogametic — (of a species or individual organism) having two unlike gametes.
- heterogeneity — the quality or state of being heterogeneous; composition from dissimilar parts; disparateness.
- heterogenesis — Also, heterogeny [het-uh-roj-uh-nee] /ˌhɛt əˈrɒdʒ ə ni/ (Show IPA). alternation of generations, especially the alternation of parthenogenetic and sexual generations.
- heterogenetic — of, relating to, or characterized by heterogenesis.
- heteroglossia — (linguistics) the coexistence of distinct varieties within a single linguistic code.
- heterographic — Misspelled; of or pertaining to an incorrect spelling or a spelling that differs from accepted standards.
- heterological — (grammar) Of an adjective, not describing itself.
- heteromorphic — Biology. dissimilar in shape, structure, or magnitude.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heteropolitan — a heterosexual man, typically living in a city, whose attitudes and interests are regarded as masculine but not excessively so
- heterostylism — the condition of being heterostyled
- heterothallic — having mycelia of two unlike types, both of which must participate in the sexual process. Compare homothallic (def 1).
- heterothermic — Relating to, or exhibiting, heterothermy.
- heterotrophic — capable of utilizing only organic materials as a source of food.
- heterozygosis — the state of being a heterozygote.
- heterozygotic — having dissimilar pairs of genes for any hereditary characteristic.
- hieroglyphist — a person who studies hieroglyphics; hieroglyphologist.
- hierogrammate — a writer of hierograms
- hippo zarytus — ancient name of Bizerte.
- histiophoroid — of or relating to the sailfish
- histogramming — (mathematics) The construction of histograms.
- historicizing — Present participle of historicize.
- histrionicism — histrionic behaviour or acts
- hogarth chair — a Queen Anne chair having a solid splat and cabriole legs, all pieces having a cyma curve or outline.
- home straight — the section of a racecourse forming the approach to the finish
- 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
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- honour bright — an exclamation pledging honour
- honourability — A state or condition or being honourable.
- hoosier state — Indiana (used as a nickname).
- horatio alger — of or characteristic of the heroes in the novels of Horatio Alger, who begin life in poverty and achieve success and wealth through honesty, hard work, and virtuous behavior: the Horatio Alger story of his rise in the business world.
- horizontality — at right angles to the vertical; parallel to level ground.
- hormic theory — a theory that holds all behavior to be purposive, whether conscious or unconscious.
- horrification — That which causes horror.
- horripilation — a bristling of the hair on the skin from cold, fear, etc.; goose bumps.
- horror writer — a writer of horror fiction or horror stories
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse stinger — a dragonfly.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse trailer — lorry for transporting a horse
- horse-trading — to bargain or trade shrewdly.
- horticultural — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hortus siccus — a collection of dried plants; herbarium.
- hospital care — medical treatment provided in a hospital