13-letter words containing y, a, h, t
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- 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.
- hymenopterans — Plural form of hymenopteran.
- hymnal stanza — common measure (def 2).
- hymnal-stanza — common time.
- 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
- hypobaropathy — a condition produced in high altitudes, caused by diminished air pressure and reduced oxygen intake; mountain sickness.
- hypohydration — Dehydration.
- hypometabolic — Relating to hypometabolism.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hypophosphate — a salt or ester of hypophosphoric acid.
- 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.
- hysteranthous — relating to a plant whose flowers open before its leaves
- ichthyofaunal — relating to ichthyofauna
- ichthyopsidan — a member of the class Ichthyopsida
- ichthyosaurus — ichthyosaur.
- immunity bath — the giving of testimony that is self-incriminating in order to avail oneself of the immunity granted a witness.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- in the pay of — If you say that someone is in the pay of a certain person or group, you disapprove of the fact that they are being paid by and are working for that person or group, often secretly or illegally.