15-letter words containing a, s, h, y
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- holyhead island — former name of Holy Island (def 2).
- homeostatically — the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.
- homochlamydeous — (of a plant) having a perianth in which the sepals and petals are fused together and indistinguishable
- horse artillery — cavalry equipped with artillery
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- host-host layer — transport layer
- house of prayer — house of God.
- house physician — a house officer working in a medical as opposed to a surgical discipline
- hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
- hydrodynamicist — a specialist in hydrodynamics.
- hydrostatically — In a hydrostatic manner.
- hygroscopically — In a hygroscopic way.
- hyperactiveness — The state or quality of being hyperactive.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperaggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- hyperanakinesia — abnormally active mechanical movement, especially of the stomach or intestine.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hyperfastidious — extremely or excessively fastidious
- hypergalactosis — an abnormally large secretion of milk.
- hypermetabolism — Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Compare anabolism, catabolism.
- hyperovarianism — precocious sexuality in girls due to abnormally heavy ovarian secretion.
- hyperparasitism — an organism that is parasitic on or in another parasite.
- hyperpotassemia — hyperkalemia.
- hypersalivation — the act or process of salivating.
- hypersexualised — Simple past tense and past participle of hypersexualise.
- hypersexualized — Simple past tense and past participle of hypersexualize.
- hypnotisability — Alternative spelling of hypnotizability.
- hypochondriases — Plural form of hypochondriasis.
- hypochondriasis — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hypocrystalline — (of igneous rocks) having both glass and crystalline components
- hypoinsulinemia — (medicine) An abnormally low level of insulin in the blood.
- hypomagnesaemia — the condition of having too little magnesium in the blood, particularly in cattle, in which it is also known as lactation tetany
- hypopituitarism — abnormally diminished activity of the pituitary gland, especially of the anterior lobe.
- hypostatization — to treat or regard (a concept, idea, etc.) as a distinct substance or reality.
- hypovitaminosis — Insufficiency of one or more essential vitamins in the body.
- imperishability — not subject to decay; indestructible; enduring.
- in the old days — a long time ago
- in the same way — similarly
- ionospherically — by the ionosphere
- isothiocyanates — Plural form of isothiocyanate.
- jayhawker state — Kansas (used as a nickname).
- kailyard school — a school of writers describing homely life in Scotland, with much use of Scottish dialect: in vogue toward the close of the 19th century.
- kaleyard school — a group of writers who depicted the sentimental and homely aspects of life in the Scottish Lowlands from about 1880 to 1914. The best known contributor to the school was J. M. Barrie
- kentish tracery — tracery, originating in Kent in the 14th century, having cusps with split ends.
- kinesthetically — In a kinesthetic way, or in terms of kinesthetics.
- labyrinthodonts — Plural form of labyrinthodont.
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- look-say method — a method of teaching beginners to read by memorizing and recognizing whole words, rather than by associating letters with sounds
- lose your heart — If you lose your heart to someone, you fall in love with them.