18-letter words containing l, w, a
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- vicar of wakefield — a novel (1766) by Goldsmith.
- wandering minstrel — travelling performer
- warning coloration — a bold, distinctive pattern of color characteristic of a poisonous or unpalatable organism, as the skunk or the monarch butterfly, that functions as a warning to and defense against predators.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wattless component — Electricity. reactive component.
- weak nuclear force — weak interaction
- wedge-tailed eagle — a large brown Australian eagle, Aquila audax, having a wedge-shaped tail and a wingspan of 3 m
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- welwyn garden city — a town in SE England, in Hertfordshire: established (1920) as a planned industrial and residential community. Pop: 43 512 (2001)
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- west puente valley — a town in SW California.
- western alienation — a feeling of resentment by some inhabitants of western Canada against perceived favouritism by the national government towards the eastern provinces
- western meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
- wheelchair housing — housing designed or adapted for a chairbound person
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- white-collar crime — any of various crimes, as embezzlement, fraud, or stealing office equipment, committed by business or professional people while working at their occupations.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- wild passionflower — the maypop, Passiflora incarnata.
- wild sweet william — blue phlox.
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally
- wildlife sanctuary — an area where wild animals and plants are protected
- wilson's phalarope — a phalarope, Phalaropus tricolor, that breeds in the prairie regions of North America and winters in Argentina and Chile.
- winged everlasting — a bushy composite plant, Ammobium alatum, of Australia, having winged branches, javelin-shaped leaves, and white flowers.
- witch hazel family — the plant family Hamamelidaceae, characterized by trees and shrubs having alternate, simple leaves, flowers in clusters or heads, and fruit in the form of a double-beaked woody capsule, and including the sweet gum, witch alder, and witch hazel.
- withdrawal symptom — effects of stopping a drug
- without obligation — In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.
- woman of the world — a woman experienced and sophisticated in the ways and manners of the world, especially the world of society.
- women's liberation — a movement to combat sexual discrimination and to gain full legal, economic, vocational, educational, and social rights and opportunities for women, equal to those of men.
- world championship — an international competition in a particular sport or activity for people all around the world
- world trade center — New York: business district
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust
- yellow-green algae — a group of common single-celled and colonial algae of the phylum Chrysophyta, having mostly yellow and green pigments, occurring in soil and on moist rocks and vegetation and also as a slime or scum on ponds and stagnant waters.