12-letter words starting with hy
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- hydrotherapy — the branch of therapeutics that deals with the curative use of water.
- hydrothermal — noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
- hydrotropism — oriented growth in response to water.
- hydroxy acid — an organic acid containing both a carboxyl and a hydroxyl group.
- hydroxyl ion — hydroxide ion
- hydroxylated — Simple past tense and past participle of hydroxylate.
- hydrozincite — a hydrous zinc carbonate, Zn 5 (CO 3) 2 (OH) 6 , an important ore of zinc in some localities.
- hygienically — conducive to good health; healthful; sanitary.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hygrographic — of or relating to a hygrograph
- hygrophilous — a plant that thrives in wet or very moist ground.
- hygrothermal — (physics) Of or pertaining to both humidity and temperature.
- hylomorphism — the theory that every physical object is composed of two principles, an unchanging prime matter and a form deprived of actuality with every substantial change of the object.
- hymenoplasty — (medicine) Plastic surgery affecting a woman's hymen, usually involving reconstruction to the unbroken condition ordinarily characteristic of virginity.
- hymenopteran — hymenopterous.
- hymenopteron — hymenopteran.
- hypabyssally — in a hypabyssal manner
- hypaesthesia — an abnormally weak sense of pain, heat, cold, or touch.
- hypapophysis — (anatomy) A process, or other element, of a vertebra developed from the ventral side of the centrum.
- hyper-energy — the capacity for vigorous activity; available power: I eat chocolate to get quick energy.
- hyper-lethal — of, relating to, or causing death; deadly; fatal: a lethal weapon; a lethal dose.
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperacidity — excessive acidity, as of the gastric juice.
- hyperalgesia — an exaggerated sense of pain (opposed to hypalgesia).
- hyperalgesic — Of or pertaining to hyperalgesia.
- hyperarousal — A state of heightened psychological and physiological tension resulting in reduced pain tolerance, anxiety, excessive response to sensory stimulation, insomnia, and fatigue.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperbolised — to use hyperbole; exaggerate.
- hyperbolized — Simple past tense and past participle of hyperbolize.
- hyperboloids — Plural form of hyperboloid.
- hyperchaotic — Of or pertaining to hyperchaos.
- hyperchromic — (physics, chemistry) Describing an increase in the intensity of a spectral band due to a change in the molecular environment.
- hypercoaster — Megacoaster.
- hypercomplex — (mathematics) Describing any of several types of higher-dimensional numbers having some characteristics of complex numbers.
- hypercorrect — overly correct; excessively fastidious; fussy: hypercorrect manners.
- hypercritics — a person who is excessively or captiously critical.
- hyperdactyly — the presence of extra fingers or toes.
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hyperendemic — manifesting a high and persistent occurrence
- hyperexcited — Very highly excited.
- hyperfiction — nonlinear fiction created in electronic hypertext form and containing multiple plot developments, endings, etc., that can be evoked interactively.
- hyperflexion — Anatomy. the act of bending a limb. the position that a limb assumes when it is bent.
- hypergenesis — an origin, creation, or beginning.
- hypergenetic — Biology. pertaining or according to genetics.
- hypergraphia — (psychiatry) A behavioural condition characterised by an intense desire to write, associated with changes in the temporal lobes due to epilepsy or chemical changes.
- hypergravity — The presence of an apparently 'increased' gravitational field in an accelerating or rotating situation.
- hyperidrosis — excessive or abnormal sweating