16-letter words containing a, n, d, i
- hit-and-run raid — a raid relying on surprise allied to a rapid departure from the scene of operations for the desired effect
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horseback riding — activity: riding a horse
- housemaid's knee — inflammation of the bursa over the front of the kneecap.
- hudsonian godwit — any of several large, widely distributed shorebirds of the genus Limosa, as the New World L. haemastica (Hudsonian godwit) having a long bill that curves upward slightly.
- huffman encoding — Huffman coding
- hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
- hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
- hydrated alumina — a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydraulic cement — cement that can solidify under water.
- hydraulic mining — placer mining using a pressurized stream of water.
- hydrocyanic acid — a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
- hyperandrogenism — (medicine) An abnormally high production of androgens.
- hypoaeolian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E, with the final on A.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- icositetrahedron — a solid figure having 24 faces.
- immethodicalness — Lack of method; the quality of being immethodical.
- immunodepressant — preventing or diminishing the immune response
- immunomodulation — Any of several adjustments in the level of an immune response.
- immunomodulatory — (medical) Having the ability to alter or regulate immune functions.
- implied warranty — a warranty not stated explicitly by the seller of merchandise or real property but presumed for reasons of commercial or legal custom (distinguished from express warranty).
- in a brown study — in a reverie or daydream
- in addition (to) — besides; as well (as)
- in ones and twos — You can use in ones and twos to indicate that people do things or something happens gradually and in small groups.
- in quadruplicate — in four identical copies
- in so many words — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- in the ascendant — If someone or something is in the ascendant, they have or are getting more power, influence, or popularity than other people or things.
- in the shadow of — very close to; verging upon
- inauguration day — the day on which the president of the United States is inaugurated, being January 20 of every year following a year whose number is divisible by four. Prior to the Twentieth Amendment to the Constitution (ratified February 6, 1933), it was March 4.
- inboard-outboard — Also, outdrive, stern-drive. (of a motorboat) having an inboard engine connected to a maneuverable outboard drive-shaft unit.
- incidental music — music intended primarily to point up or accompany parts of the action of a play or to serve as transitional material between scenes.
- inclined railway — a cable railway used on particularly steep inclines unsuitable for normal adhesion locomotives
- incontinence pad — an absorbent pad used by incontinent people
- incorporated bar — (in some states) a system of bar associations to which all lawyers are required to belong.
- indecency charge — an accusation of committing indecency
- indecent assault — a sexual offense, other than rape, committed by one person against another.
- indefatigability — incapable of being tired out; not yielding to fatigue; untiring.
- indemnity clause — a clause in a contract that commits one or both parties to indemnify any loss that arises out of the contract
- independence day — July 4, a U.S. holiday commemorating the adoption of the Declaration of Independence on July 4, 1776.
- indescribability — (uncountable) The state or characteristic of being indescribable.
- indian breadroot — breadroot.
- indian liquorice — a woody leguminous climbing plant, Abrus precatorius, native to tropical Asia and naturalized elsewhere, having scarlet black-spotted poisonous seeds, used as beads, and roots used as a substitute for liquorice
- indian meal moth — a small pyralid moth, Plodia interpunctella, whose larvae are an important pest of stored cereals.
- indian territory — a former territory of the U.S.: now in E Oklahoma. About 31,000 sq. mi. (80,000 sq. km).
- indian wrestling — arm wrestling