18-letter words containing w, e, l, a, i
- abominable snowman — a large legendary manlike or apelike creature, alleged to inhabit the Himalayan Mountains
- administrative law — law relating to the control of government power
- african yellowwood — a tree, Podocarpus elongatus, of tropical Africa and the mountains of southern Africa, having globe-shaped fruit, grown as an ornamental.
- alaska-hawaii time — the civil time officially adopted for a country or region, usually the civil time of some specific meridian lying within the region. The standard time zones in the U.S. (Atlantic time, Eastern time, Central time, Mountain time, Pacific time, Yukon time, Alaska-Hawaii time, and Bering time) use the civil times of the 60th, 75th, 90th, 105th, 120th, 135th, 150th, and 165th meridians respectively, the difference of time between one zone and the next being exactly one hour.
- albrecht waldstein — Albrecht von [German ahl-brekht fuh n] /German ˈɑl brɛxt fən/ (Show IPA), Wallenstein, Albrecht Wenzel Eusebius von.
- american civil war — the war in the U.S. between the North and the South, 1861–65.
- an overgrown child — an adult whose behaviour is characteristic of a child
- andrew file system — (operating system, storage) (AFS) The distributed file system of the Andrew Project, adopted by the OSF as part of their Distributed Computing Environment.
- bells and whistles — additional features or accessories which are nonessential but very attractive
- biological warfare — the use of living organisms or their toxic products to induce death or incapacity in humans and animals and damage to plant crops, etc
- blackwater rafting — the sport of riding through underground caves on a large rubber tube
- brazilian rosewood — a Brazilian tree, Dalbergia nigra, of the legume family.
- brewer's blackbird — a blackbird, Euphagus cyanocephalus, of the U.S., the male of which has greenish-black plumage with a purplish-black head.
- broken twill weave — a twill weave in which the direction of the diagonal produced by the weft threads is reversed after no more than two passages of the weft.
- capital allowances — the money spent by a company on fixed assets which can be taken off the profits of the company before tax is imposed
- cauliflower cheese — a dish of cauliflower with a cheese sauce, eaten hot
- cauliflower fungus — a large edible white to yellowish cauliflowerlike mushroom, Sparassis radicata, widely distributed in North America.
- chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
- clean as a whistle — If you describe something as clean as a whistle, you mean that it is completely clean.
- clothing allowance — an amount of money to compensate for the purchase of clothes for work, school, etc
- daisywheel printer — (printer) A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
- declaration of war — a formal statement made by one country to another that a state of war now exists between them
- digital switchover — the process of changing the method of transmitting television from analogue to digital format
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- east indian walnut — lebbek.
- electronic warfare — the military use of electronics to prevent or reduce an enemy's effective use and to protect friendly use of electromagnetic radiation equipment
- epicycloidal wheel — one of the planetary gears of an epicyclic train
- farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
- firecracker flower — a plant, Dichelostemma ida-maia, of the amaryllis family, native to California and Oregon, having clusters of tubular scarlet flowers.
- fitzwilliam museum — a museum, attached to Cambridge University and founded in 1816, noted esp for its paintings and collections devoted to the applied arts
- flash butt welding — a method of welding metal edge-to-edge with a powerful electric flash followed by the application of pressure.
- floating underflow — underflow
- forward compatible — forward compatibility
- fulminating powder — powder that explodes by percussion.
- gravitational wave — (in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars.
- greater periwinkle — a Eurasian apocynaceous evergreen plant of the genus Vinca, V. major, having trailing stems and blue flowers
- hardy-weinberg law — a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to generation.
- hawksbill (turtle) — a medium-sized marine turtle (Eretmochelys imbricata, family Cheloniidae) having a hawklike beak and a horny shell from which tortoise shell is obtained
- heavy middleweight — a professional wrestler weighing 177–187 pounds (81–85 kg)
- hell or high water — whatever difficulties may arise
- hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
- in black and white — without colour
- in compliance with — in accordance with
- inverse square law — one of several laws relating two quantities such that one quantity varies inversely as the square of the other, as the law that the illumination produced on a screen by a point source varies inversely as the square of the distance of the screen from the source.
- kirtland's warbler — a wood warbler, Dendroica kirtlandii, breeding only in north-central Michigan and wintering in the Bahamas, bluish gray above, striped with black and pale yellow below: an endangered species.
- law of segregation — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
- lawrence of arabia — D(avid) H(erbert) 1885–1930, English novelist.
- lesser whitethroat — an Old World warbler, Sylvia curruca, having a greyish-brown plumage with a white throat and underparts
- lower palaeolithic — the earliest of the three sections of the Palaeolithic, beginning about 3 million years ago and ending about 70 000 bc with the emergence of Neanderthal man
- mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
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