18-letter words containing o, a, k, m, s
- ailanthus silkworm — a green silkworm, Samia walkeri, introduced into the U.S. from China, that feeds on the leaves of the ailanthus.
- assumption of risk — Assumption of risk is the practice of paying for minor losses yourself, but protecting against catastrophic losses by buying insurance cover.
- astronomical clock — a complex clock showing astronomical phenomena, such as the phases of the moon
- backus normal form — Backus-Naur Form
- beefsteak mushroom — an edible bracket fungus, Fistulina hepatica, that grows on trees and can rot the heartwood of living oaks and chestnuts.
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- brothers karamazov — a novel (1880) by Dostoevsky.
- burkitt's lymphoma — a cancer characterized by tumors containing lymphoid cells, occurring esp. in children, in the jaw, eyes, and internal organs: it is associated with the Epstein-Barr virus
- captain james cook — Frederick Albert, 1865–1940, U.S. physician and polar explorer.
- catskill mountains — a mountain range in SE New York State: resort. Highest peak: Slide Mountain, 1261 m (4204 ft)
- christmas stocking — A Christmas stocking is a long sock which children hang up on Christmas Eve. During the night, parents fill the stocking with small presents.
- crookes radiometer — a type of radiometer consisting of an evacuated glass bulb containing a set of lightweight vanes, each blackened on one side. The vanes are mounted on a vertical axis and revolve when light, or other radiant energy, falls on them
- eastern 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.
- feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
- honeysuckle family — the plant family Caprifoliaceae, typified by shrubs and woody vines having opposite leaves, clusters of usually flaring, narrow, tubular flowers, and various types of fruit, and including the elder, honeysuckle, snowberry, twinflower, and viburnum.
- king james version — Authorized Version.
- king-of-the-salmon — a ribbonfish, Trachypterus altivelis, of northern parts of the Pacific Ocean.
- komsomolsk-on-amur — city in SE Russia, on the Amur River: pop. 309,000
- make (one's) peace — If you make peace with someone or make your peace with them, you put an end to your quarrel with them, often by apologizing.
- make a meal of sth — If you think someone is taking more time and energy to do something than is necessary, you can say that they are making a meal of it.
- make an impression — have impact
- make matters worse — If you say that something makes matters worse, you mean that it makes a difficult situation even more difficult.
- make one's excuses — to express one's regret over not being able to attend a social gathering, etc.
- make short work of — exertion or effort directed to produce or accomplish something; labor; toil.
- make someone tired — to annoy or vex someone
- make sth one's own — If you make something your own, you become involved in it in such a way that people think of it as being related only to you or belonging only to you, rather than to anyone else.
- make up one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
- mohammed ibn-kasim — flourished early 8th century a.d, Muslim conqueror of the Sind region in India.
- movers and shakers — a person or thing that moves.
- multicast backbone — (MBONE) A virtual network on top of the Internet which supports routing of IP multicast packets, intended for multimedia transmission. MBONE gives public access desktop video communications. The quality is poor with only 3-5 frames per second instead of the 30 frames per second of commercial television. Its advantage is that it avoids all telecommunications costs normally associated with teleconferencing. An interesting innovation is the use of MBONE for audio communications and an electronic "whiteboard" where the computer screen becomes a shared workspace where two physically remote parties can draw on and edit shared documents in real-time.
- nike of samothrace — a Greek marble statue (c200 b.c.) of Nike found at Samothrace and now in the Louvre, Paris.
- programming skills — the skills required to write a program so that data may be processed by a computer
- sedimentation tank — a tank into which sewage is passed to allow suspended solid matter to separate out
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- social bookmarking — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
- societal marketing — marketing that takes into account society's long-term welfare
- spackling compound — spackle
- stinking chamomile — mayweed.
- stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
- to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
- transmission brake — A transmission brake is a brake that operates on the transmission system of a vehicle rather than directly on the wheels.
- 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.
- 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.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
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