15-letter words containing a, d, l, i
- hendecasyllabic — having 11 syllables.
- heralds' office — the official heraldic authority of Scotland.
- herbal medicine — the use of herbs to treat illness
- heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
- highland cattle — a breed of cattle with shaggy hair, usually reddish-brown in colour, and long horns
- holding company — a company that controls other companies through stock ownership but that usually does not engage directly in their productive operations (distinguished from parent company).
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holding paddock — a paddock in which cattle or sheep are kept temporarily, as before shearing, etc
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- holiday clothes — the clothes worn and bought for travelling on holiday, such as swimwear, skiwear, or clothes for hot or cold weather, etc
- holiday cottage — a cottage used for accommodation for a family, couple, etc, on holiday
- holiday feeling — the positive feeling people experience while on holiday and during holiday periods such as the Christmas period
- holiday traffic — increased road traffic during holiday periods and public holidays
- holiday village — a park with villas where holidaymakers stay and which has a central area with a shop, entertainment, etc
- holyhead island — former name of Holy Island (def 2).
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hydraulic brake — a brake operated by fluid pressures in cylinders and connecting tubular lines.
- hydraulic fluid — a fluid, usually of low viscosity, as oil, used in a hydraulic system.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- 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.
- hydrobiological — of or relating to hydrobiology
- hydromechanical — Of or pertaining to hydromechanics.
- hydropathically — in a hydropathic manner; in a manner relating to hydropathy
- hydrostatically — In a hydrostatic manner.
- hydroxylapatite — Alternative spelling of hydroxyapatite.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperlipidaemia — Alternative spelling of hyperlipidemia.
- hyperlipoidemia — An abnormally high level of lipoids in the blood.
- hypersexualised — Simple past tense and past participle of hypersexualise.
- hypersexualized — Simple past tense and past participle of hypersexualize.
- hyperventilated — Simple past tense and past participle of hyperventilate.
- hypochlorhydria — (pathology) The presence of an insufficient amount of hydrochloric acid in the stomach.
- hypochondriacal — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
- hypolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from C to C, with the final on F.
- idealized image — a personal standard of perfection against which one's actual thinking, behavior, and appearance are compared.
- identical rhyme — rhyme created by the repetition of a word.
- identical twins — one of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usually resemble each other closely.
- identifiability — to recognize or establish as being a particular person or thing; verify the identity of: to identify handwriting; to identify the bearer of a check.
- ideographically — an ideogram.
- idiosyncratical — Alternative form of idiosyncratic.
- immunomodulator — a substance that affects the functioning of the immune system
- imponderability — The state or characteristic of being imponderable.
- in a good light — something that makes things visible or affords illumination: All colors depend on light.
- in pari delicto — in equal fault; equally culpable or blameworthy.
- in the old days — a long time ago
- in-visible hand — (in the economics of Adam Smith) an unseen force or mechanism that guides individuals to unwittingly benefit society through the pursuit of their private interests.