13-letter words containing h, a, t, i
- hyacinth bean — an Old World tropical vine, Dolichos lablab, of the legume family, having purple or white flowers and black or white seeds in a papery, beaked pod.
- hyalinization — a condition in which normal tissue deteriorates into a homogeneous, translucent material.
- hybridisation — Alternative form of hybridization.
- hybridization — to cause to produce hybrids; cross.
- hydrargillite — gibbsite.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydrated lime — a soft, white, crystalline, very slightly water-soluble powder, Ca(OH) 2 , obtained by the action of water on lime: used chiefly in mortars, plasters, and cements.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hygrometrical — Alternative form of hygrometric.
- hyperactivate — (biology) To cause or undergo hyperactivation.
- hyperactively — In a hyperactive manner.
- hyperactivity — the condition of being hyperactive.
- hypercautious — Especially or unreasonably cautious.
- hypercritical — excessively or meticulously critical; overcritical.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperdactylia — the presence of extra fingers or toes.
- hyperesthesia — an abnormally acute sense of pain, heat, cold, or touch; algesia.
- hypergalactia — an abnormally large secretion of milk.
- hyperinflated — to subject to hyperinflation: hyperinflated prices.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- 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).
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermutation — (uncountable) Frequent mutation.
- hypernatremia — an abnormally high concentration of sodium in the blood.
- hyperparasite — an organism that is parasitic on or in another parasite.
- hyperrational — characterized by excessive rationality
- hyperreactive — Showing a much greater than normal response to a stimulus.
- hyperromantic — extremely or excessively romantic
- hypersalinity — an excess of salt in a saline solution
- hyperthetical — Misspelling of hypothetical.
- hypervigilant — keenly watchful to detect danger; wary: a vigilant sentry.
- hyphenization — the act or use of hyphenation
- hypohydration — Dehydration.
- hypometabolic — Relating to hypometabolism.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hyposexuality — A significantly low level of sexuality.
- hypostatizing — Present participle of hypostatize.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- hypotheticals — Plural form of hypothetical.
- hypoventilate — (intransitive) To undergo hypoventilation.
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- iatrochemical — relating to iatrochemistry or iatrochemists