15-letter words containing a, e, d, i
- humpback bridge — arched bridge
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hydraulic brake — a brake operated by fluid pressures in cylinders and connecting tubular lines.
- 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.
- hydromechanical — Of or pertaining to hydromechanics.
- hydroxylapatite — Alternative spelling of hydroxyapatite.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
- hyperfastidious — extremely or excessively fastidious
- 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.
- hypochondriases — Plural form of hypochondriasis.
- hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
- hypoionian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from G to G, with the final on C.
- 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.
- identifications — Plural form of identification.
- identity matrix — a matrix that has 1 in each position on the main diagonal and 0 in all other positions.
- identity papers — law: legal documents
- identity parade — law: police lineup
- ideographically — an ideogram.
- immunoadsorbent — immunosorbent.
- impact adhesive — a glue designed to give adhesion when two coated surfaces are pressed together
- imponderability — The state or characteristic of being imponderable.
- in at the death — the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Compare brain death.
- in pari delicto — in equal fault; equally culpable or blameworthy.
- in the hands of — under the control of
- in the old days — a long time ago
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- 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.
- incendiary bomb — a bomb that is designed to start fires
- inconsiderately — In an inconsiderate manner.
- inconsideration — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- indefeasibility — The state or quality of being indefeasible, of being incapable of being defeated.
- indemnification — the act of indemnifying; state of being indemnified.
- independentista — (especially in Latin America) a person who supports or works toward political independence, especially one supporting radical changes in an existing government or from an existing system of government.
- indeterminately — not determinate; not precisely fixed in extent; indefinite; uncertain.
- indetermination — the quality or condition of being indeterminate.
- indian elephant — See under elephant.
- indian licorice — rosary pea.
- indian mulberry — a small tree, Morinda citrifolia, of the madder family, found from India to Australasia, having shiny leaves, white flowers, and fleshy, yellowish fruit, yielding red and yellow dyes.
- indirect demand — the secondary demand for labour, raw materials, premises etc which arises from the direct demand for goods
- indirect labour — work done in administration and sales rather than in the manufacturing of a product