13-letter words containing a, n, i
- water parsnip — a perennial aquatic plant; Berula erecta
- water parting — a watershed or divide.
- water spaniel — either of two breeds of spaniels, used for retrieving waterfowl.
- water turbine — a turbine driven by the momentum or reactive force of water.
- water-soaking — to soak or saturate with water.
- waterboarding — a harsh interrogation technique in which water is poured onto the face and head of the immobilized victim so as to induce a fear of drowning.
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- watering hole — a bar, nightclub, or other social gathering place where alcoholic drinks are sold.
- watering spot — watering hole
- waterproofing — Chiefly British. a raincoat or other outer coat impervious to water.
- waterscorpion — any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
- wave equation — Mathematics, Physics. any differential equation that describes the propagation of waves or other disturbances in a medium.
- wave function — a solution of a wave equation.
- waygoing crop — away-going crop.
- weaponization — Standard spelling of from=American spelling.
- wearisomeness — causing weariness; fatiguing: a difficult and wearisome march.
- weather joint — a mortar joint having a downward and outward slope.
- weatherliness — (nautical) The quality of being weatherly.
- wedding feast — a meal served to celebrate a wedding
- wedding march — a musical composition played during a wedding procession.
- weeping myall — any of several Australian acacias, especially Acacia pendula (weeping myall) having gray foliage and drooping branches.
- weighted mean — a mean that is computed with extra weight given to one or more elements of the sample.
- well-financed — the management of revenues; the conduct or transaction of money matters generally, especially those affecting the public, as in the fields of banking and investment.
- well-speaking — the act, utterance, or discourse of a person who speaks.
- wellingtonias — Plural form of wellingtonia.
- west atlantic — a group of languages of W Africa constituting a branch of the Niger-Congo subfamily of languages, and including Fulani and Wolof.
- west frisians — See under Frisian Islands.
- west germanic — a subbranch of Germanic that includes English, Frisian, Flemish, Dutch, Plattdeutsch, Yiddish, and German. Abbreviation: WGmc.
- west midlands — a metropolitan county in central England. 347 sq. mi. (899 sq. km).
- west pakistan — a former province of British Pakistan, separated from East Pakistan (now Bangladesh) by N India: declared independence as Republic of Pakistan 1956.
- west virginia — a state in the E United States. 24,181 sq. mi. (62,629 sq. km). Capital: Charleston. Abbreviation: WV (for use with zip code), W.Va.
- western dvina — a river rising in W Russia, in the Valdai Hills and flowing south and southwest then northwest to the Gulf of Riga. Length: 1021 km (634 miles)
- wetting agent — any admixture to a liquid for increasing its ability to penetrate, or spread over the surface of, a given material, especially cloth, paper, or leather.
- whimsicalness — Whimsicality.
- whiskerandoed — having extravagant whiskers
- white arsenic — arsenous acid
- white currant — a cultivated N temperate shrub, Ribes sativum, having small rounded white edible berries: family Grossulariaceae
- white pelican — an aquatic bird of the tropical and warm water family Pelecanidae, P. onocrotalus: order Pelecaniformes. They have a long straight flattened bill, with a distensible pouch for engulfing fish
- white russian — Byelorussian (def 2).
- white van man — a male van driver, often of a white van, whose driving is selfish and aggressive
- white-slaving — traffic in white slaves.
- wicket maiden — an over in which no runs are scored with the bat and at least one wicket is taken by the bowler
- wife swapping — sexual activity in which two or more married couples exchange partners.
- wild geranium — geranium (def 2).
- wild huntsman — the leader of the Wild Hunt, often associated with Odin.
- wild hyacinth — any of several plants having usually blue flowers resembling those of a hyacinth, as Camassia scilloides, of the central U.S., or Triteleia hyacinthina, of western North America.
- wild mandrake — the May apple, Podophyllum peltatum.
- wild spaniard — any of various subalpine perennials of the genus Aciphylla of New Zealand, with sharp leaves
- wilhelmshaven — a seaport in NW Germany, NW of Bremen, on the North Sea.
- winding frame — a machine on which yarn or thread is wound.