12-letter words containing a, c, m, e
- uncomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- uncomposable — not fit for composition
- uncomputable — to determine by calculation; reckon; calculate: to compute the period of Jupiter's revolution.
- undemocratic — pertaining to or of the nature of democracy or a democracy.
- uneconomical — avoiding waste or extravagance; thrifty: an economical meal; an economical use of interior space.
- unimolecular — of or involving only one molecular entity
- unimportance — a lack of importance
- unmechanical — not having any skill or knowledge in relation to machines or machinery
- unmethodical — characterized by lack of method or disorderliness
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unsystematic — having, showing, or involving a system, method, or plan: a systematic course of reading; systematic efforts.
- up-and-comer — likely to succeed; bright and industrious: an up-and-coming young executive.
- uricacidemia — lithemia.
- vacuum brake — a brake system, used on British and many overseas railways, in which the brake is held off by a vacuum on one side of the brake-operating cylinder. If the vacuum is destroyed by controlled leakage of air or a disruptive emergency, the brake is applied. It is now largely superseded by the Westinghouse brake system
- vacuum frame — a machine from which the air is extracted in order to obtain close contact between the surfaces of two materials, e.g. the film and plate during platemaking
- vacuum gauge — a device for measuring pressures below atmospheric pressure in the receiver of an air pump, in steam condensers, and the like.
- vacuum servo — a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
- vacuum valve — vacuum tube
- vax document — A document preparation system from DEC.
- vice admiral — a naval officer next in rank below an admiral.
- vice-admiral — a naval officer next in rank below an admiral.
- video camera — a handheld or mounted portable camera intended for recording moving images in digital memory or on videotape.
- vocal memnon — one of the two seated figures of the Colossus of Memnon: so called because it once emitted sounds when struck by the rays of the rising sun.
- warm welcome — friendly or enthusiastic reception
- well-matched — a person or thing that equals or resembles another in some respect.
- wind machine — a machine used, esp in the theatre, to produce wind or the sound of wind
- with menaces — If someone commits the crime of demanding money with menaces, they threaten to cause harm unless they are given the money.
- woman-chaser — a philanderer; womanizer.