12-letter words containing o, u, a, c
- unecological — the branch of biology dealing with the relations and interactions between organisms and their environment, including other organisms.
- uneconomical — avoiding waste or extravagance; thrifty: an economical meal; an economical use of interior space.
- unencroached — to advance beyond proper, established, or usual limits; make gradual inroads: A dictatorship of the majority is encroaching on the rights of the individual.
- unforecasted — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- unfunctional — of or relating to a function or functions: functional difficulties in the administration.
- ungraciously — in an ungracious manner
- unheroically — in an unheroic manner
- unhistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- unifactorial — of or relating to a single gene.
- unimolecular — of or involving only one molecular entity
- unimportance — a lack of importance
- uninoculated — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.
- unironically — pertaining to, of the nature of, exhibiting, or characterized by irony or mockery: an ironical compliment; an ironical smile.
- unloquacious — talking or tending to talk much or freely; talkative; chattering; babbling; garrulous: a loquacious dinner guest.
- unmethodical — characterized by lack of method or disorderliness
- unmiraculous — not caused by a miracle
- unnoticeable — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unnoticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unobfuscated — to confuse, bewilder, or stupefy.
- unobservance — a failure to comply or observe (a law, custom, etc)
- unpoetically — in an unpoetic manner
- unprocedural — not procedural, not following proper procedures
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unprocurable — obtainable.
- unreciprocal — given or felt by each toward the other; mutual: reciprocal respect.
- unreckonable — to count, compute, or calculate, as in number or amount.
- unrecordable — to set down in writing or the like, as for the purpose of preserving evidence.
- unrecoupable — to get back the equivalent of: to recoup one's losses by a lucky investment.
- unreproached — not reproached, criticized, or scolded
- unrhetorical — not rhetorical; literal; plainspoken
- unsanctioned — authoritative permission or approval, as for an action.
- unsocialized — to make social; make fit for life in companionship with others.
- unsyncopated — marked by syncopation: syncopated rhythm.
- up-and-comer — likely to succeed; bright and industrious: an up-and-coming young executive.
- uranic oxide — uranium dioxide.
- vacuum servo — a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
- vaginicolous — living in a sheath
- valve bounce — A valve bounce is the bouncing of a poppet valve on its seat when it is closing.
- varicoloured — having many colours; variegated; motley
- variocoupler — a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.
- vax document — A document preparation system from DEC.
- verbenaceous — belonging to the plant family Verbenaceae.
- vesiculation — characterized by or covered with vesicles.
- vocabularian — a person who is particularly or overly attentive to words
- vocabularied — having a vocabulary as specified
- vocicultural — relating to voice training
- water locust — a spiny tree, Gleditsia aquatica, of the legume family, native to the southeastern coastal U.S., having pinnate leaves, greenish-yellow, bell-shaped flowers, and long-stalked, thin pods.
- watercolours — Plural form of watercolour.
- watercourses — Plural form of watercourse.
- wavefunction — (physics) A mathematical function that describes the propagation of the quantum mechanical wave associated with a particle (or system of particles), related to the probability of finding the particle in a particular region of space.