15-letter words containing a, c, t, w
- neck sweetbread — sweetbread (def 2).
- new-variant cjd — a form of Creutzfeldt-Jakob disease thought to be transmitted by eating beef or beef products infected with BSE
- newton's cradle — an ornamental puzzle consisting of a frame in which five metal balls are suspended in such a way that when one is moved it sets all the others in motion in turn
- nightwatchwoman — (rare) The female equivalent of a nightwatchman.
- outreach worker — a person who does work designed to help and encourage disadvantaged members of the community
- packet-switched — packet switching
- patchwork quilt — cover sewn from patches of cloth
- phase-switching — a technique used in radio interferometry in which the signal from one of the two antennae is periodically reversed in phase before being multiplied by the signal from the other antenna
- play havoc with — bring chaos to
- power macintosh — Power Mac
- raw-pack method — cold pack (def 2).
- royal worcester — Worcester china made after 1862
- saskatchewanian — a native or inhabitant of Saskatchewan
- snowball effect — a process of continuously accelerating change in size, importance, etc
- spotted cowbane — a North American water hemlock, Cicuta maculata, of the parsley family, having a purple-mottled stem, white flowers, and deadly poisonous, tuberlike roots.
- stacking swivel — a metal swivel attached to the stock of a military rifle for use in hooking three rifles together to form a stack.
- stalactite work — (in Islamic architecture) intricate decorative corbeling in the form of brackets, squinches, and portions of pointed vaults.
- sweet chocolate — cocoa product with high sugar content
- talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
- teaching fellow — a holder of a teaching fellowship.
- the black watch — (formerly) the Royal Highland Regiment in the British Army; (since 2006) an infantry battalion of the Royal Regiment of Scotland
- the cesarewitch — a long-distance horserace run each year in October at Newmarket racecourse
- the common weal — the good of society
- the public weal — the public good; the good of society
- the wrong track — the incorrect line of investigation, inquiry, etc
- the-night-watch — a painting (1642) by Rembrandt.
- to carry weight — If a person or their opinion carries weight, they are respected and are able to influence people.
- tobacco budworm — the larva of a noctuid moth, Heliothis virescens, that damages the buds and young leaves of tobacco.
- touch base with — the bottom support of anything; that on which a thing stands or rests: a metal base for the table.
- twitching trail — a logging road sufficiently developed to allow the hauling of logs along it by horse or tractor.
- vatican swindle — Lafcadio's Adventures.
- walk-in traffic — The walk-in traffic of a store is the number of people who choose to visit it as they pass by.
- walking catfish — an Asian catfish, Clarias batrachus, that can survive out of water and move overland from one body of water to another: introduced into Florida.
- wallace nutting — Wallace, 1861–1941, U.S. antiquary, author, and illustrator.
- walrus mustache — a thick, shaggy mustache hanging down loosely at both ends.
- warrant officer — (in the U.S. Armed Forces) an officer of one of four grades ranking above enlisted personnel and below commissioned officers.
- watch committee — a local government committee composed of magistrates and representatives of the county borough council responsible for the efficiency of the local police force
- watch the clock — If you are watching the clock, you keep looking to see what time it is, usually because you are bored by something and want it to end as soon as possible.
- weekend cottage — a cottage where people spend weekends
- well trajectory — The well trajectory is the direction in which the well is drilled.
- well-accredited — officially recognized as meeting the essential requirements, as of academic excellence: accredited schools.
- well-accustomed — customary; usual; habitual: in their accustomed manner.
- well-acquainted — having personal knowledge as a result of study, experience, etc.; informed (usually followed by with): to be acquainted with law.
- well-cultivated — prepared and used for raising crops; tilled: cultivated land.
- wentworth scale — a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than 1⁄256 mm) to boulders (over 256 mm)
- west carrollton — a town in W Ohio.
- west coast jazz — cool jazz.
- west palm beach — a city in SE Florida: winter resort.
- what's cooking? — what's happening?
- whatchamacallit — an object or person whose name one does not know or cannot recall.