15-letter words containing h
- diadochokinesia — the normal ability to perform rapidly alternating muscular movements, as flexion and extension.
- diadochokinesis — the normal ability to perform rapidly alternating muscular movements, as flexion and extension.
- diaheliotropism — the tendency among plants to respond to the light of the sun by orienting their leaves perpendicular to the sun's rays, such that the upper surface of the leaves receives maximum light
- diaphototropism — growth of a plant or plant part in a direction transverse to that of the light
- diastrophically — in a diastrophic fashion
- dichlorobenzene — any of a group of three insoluble isomeric chemical compounds used in solvents, insecticides, and dyes
- dichloromethane — a noxious colourless liquid widely used as a solvent, e.g. in paint strippers. Formula: CH2Cl2
- dichotomisation — Alternative spelling of dichotomization.
- dichotomization — The act of dichotomizing or the thing dichotomized; classification.
- dichotomous key — a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified
- dichotomousness — the quality of being dichotomous
- dichroic filter — an optical colour filter operating on the principle of wave interference between closely spaced reflecting surfaces, rather than by colour absorption
- dimethylaniline — a very toxic oily liquid used in industry to harden certain synthetic resins and as a solvent
- dimethylbenzene — xylene.
- dimethylmethane — propane.
- dimethylsulfide — Alternative spelling of dimethyl sulfide.
- dionysius thrax — c100 b.c, Greek grammarian.
- diphenhydramine — a white, crystalline, antihistaminic compound, C 17 H 21 NO, used orally, topically, and parenterally, especially for allergies.
- diphenyl ketone — benzophenone.
- direct lighting — lighting in which most of the light is cast directly from the fixture or source to the illumined area.
- disenchantingly — In a disenchanting manner.
- disenfranchised — to disfranchise.
- disenfranchises — Third-person singular simple present indicative form of disenfranchise.
- disestablishing — Present participle of disestablish.
- dishabilitation — the imposition of a legal disqualification
- dishcloth gourd — loofah (def 1).
- dishearteningly — In a disheartening manner.
- dishwasherproof — (of dishes, cooking utensils, etc.) able to withstand washing in an automatic dishwasher without breaking, chipping, fading, etc.
- distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- distinguishably — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- distinguishment — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- distributorship — a franchise held by a distributor.
- dithiocarbamate — any salt or ester of dithiocarbamic acid, commonly used as fungicides
- dithionous acid — an unstable dibasic acid known only in solution and in the form of dithionite salts. It is a powerful reducing agent. Formula: H2S2O4
- dithyrambically — In dithyrambic fashion.
- divided highway — a superhighway with a broad median strip, designed to prevent collisions, headlight glare, etc., between vehicles moving in opposite directions, and usually having limited or cloverleaf access.
- divinity school — a Protestant seminary.
- do the business — to achieve what is required
- do the dirty on — to behave meanly or unkindly towards
- do your head in — If something or someone does your head in, they make you angry or frustrated.
- doch-an-dorrach — a stirrup cup.
- docosahexaenoic — Of or pertaining to docosahexaenoic acid or its derivatives.
- doctoral thesis — a thesis written as part of a doctorate
- dogtooth violet — Also called adder's-tongue, trout lily. any of several North American lilies of the genus Erythronium, having nodding flowers and usually mottled leaves.
- dolichocephalic — long-headed; having a cephalic index of 75 and under.
- dolphin striker — a short vertical strut between the bowsprit and a rope or cable (martingale) from the end of the jib boom to the stem or bows, used for maintaining tension and preventing upward movement of the jib boom
- dongola leather — a leather similar to kid, made from goatskin, sheepskin, or calfskin.
- dorsibranchiate — having branchiae or gills along the back
- double-declutch — to change to a lower gear in a motor vehicle by first placing the gear lever into the neutral position before engaging the desired gear, at the same time releasing the clutch pedal and increasing the engine speed
- doubting thomas — a person who refuses to believe without proof; skeptic. John 20:24–29.