13-letter words containing e, t, h, n, o, i
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- herborization — the act or process of herborizing
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroic stanza — elegiac stanza.
- heroin addict — sb dependent on heroin
- hessian boots — a knee-high tasseled boot, fashionable in England in the early 19th century.
- 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.
- 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.
- heteropolitan — a heterosexual man, typically living in a city, whose attitudes and interests are regarded as masculine but not excessively so
- hexamethonium — a compound, C 10 H 24 N 2 , used in the treatment of severe hypertension to lower blood pressure and increase blood flow by blocking transmission of nerve impulses that constrict blood vessels.
- hold the line — a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface: a line down the middle of the page.
- home counties — The Home Counties are the counties which surround London.
- homogeneities — Plural form of homogeneity.
- homogenetical — of, involving or relating to homogeny
- 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.
- 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-trading — to bargain or trade shrewdly.
- hottentot fig — a succulent plant, Mesembryanthemum edule, of southern Africa, having a capsular fruit containing edible pulp: family Aizoaceae
- house painter — a person whose occupation is painting houses.
- house-hunting — the act of searching for a house to buy or rent
- house-trained — housebroken.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- hunting lodge — a house or hut in the country or in the mountains where people stay on holiday when they want to go hunting
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hypermutation — (uncountable) Frequent mutation.
- hyperrational — characterized by excessive rationality
- hyperromantic — extremely or excessively romantic
- hypertonicity — Physiology. of or relating to hypertonia.
- hyphenization — the act or use of hyphenation
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hyposecretion — a diminished secretion.
- hyposensitive — low or diminished sensitivity to stimulation.
- hyposensitize — to cause (a person) to become less sensitive to (a substance producing an allergic reaction); desensitize.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- hypothesising — Present participle of hypothesise.
- hypothesizing — to form a hypothesis.
- hypoventilate — (intransitive) To undergo hypoventilation.