12-letter words containing c, o, n, l, r, a
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- rocker panel — body paneling below the passenger compartment of a vehicle.
- rocket plane — aircraft that launches rockets
- roller chain — a power chain consisting of parallel pairs of flat links joined by pins covered with rollers, and engaging with the teeth of sprockets.
- roman a clef — a novel that represents historical events and characters under the guise of fiction.
- roman candle — a firework consisting of a tube that sends out a shower of sparks and a succession of balls of fire.
- roman collar — clerical collar.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- roncesvalles — a village in N Spain, in the Pyrenees: defeat of part of Charlemagne's army and the death of Roland a.d.
- royal colony — a colony ruled or administered by officials appointed by and responsible to the reigning sovereign of the parent state.
- salmon brick — a soft, imperfectly fired brick having a reddish-orange color.
- sardonically — characterized by bitter or scornful derision; mocking; cynical; sneering: a sardonic grin.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- scarlatinoid — resembling scarlatina or its eruptions.
- school prawn — a common olive-green prawn, Metapenaeus macleayi
- scintillator — a phosphor capable of producing scintillations.
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- skeleton car — a freight car essentially consisting of a central longitudinal girder fastened to the trucks, sometimes supplemented by one or more pairs of cross cantilevers: used for carrying logs or containers.
- snow crystal — a crystal of ice sufficiently heavy to fall from the atmosphere.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- sternocostal — of, relating to, or situated between the sternum and ribs.
- synchroflash — of or relating to photography employing a device that synchronizes the photoflash with the shutter.
- synchronical — happening at the same time
- torchon lace — a bobbin-made linen or cotton lace with loosely twisted threads in simple, open patterns.
- triacontanol — a long-chain alcohol, CH 3 (CH 2) 28 CH 2 OH, occurring in plant waxes and beeswax, that is a plant growth regulator.
- trucial oman — a former name of United Arab Emirates.
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- un-revocable — that may be revoked.
- uncalled for — not called for; not required; superfluous; unwanted.
- uncalled-for — not called for; not required; superfluous; unwanted.
- unchivalrous — having the qualities of chivalry, as courage, courtesy, and loyalty.
- uncommercial — not engaged in or involved with commerce or trade.
- uncomparable — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- uncorrelated — to place in or bring into mutual or reciprocal relation; establish in orderly connection: to correlate expenses and income.
- 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
- unironically — pertaining to, of the nature of, exhibiting, or characterized by irony or mockery: an ironical compliment; an ironical smile.
- unmiraculous — not caused by a miracle
- 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.
- unrhetorical — not rhetorical; literal; plainspoken
- vocabularian — a person who is particularly or overly attentive to words