12-letter words containing r, e, c, o, l
- rectirostral — (of a bird) having a straight bill.
- reflectogram — an image of an under-drawing or image taken from beneath the surface of paint in a work of art
- reflectorize — to treat something so that it reflects light: to reflectorize license plates.
- reg-symbolic — An early system on the IBM 704.
- release copy — an article, notice, announcement, or the like, issued in advance for publication or broadcast, bearing a release date.
- renounceable — of a nature that can be renounced
- renovascular — of or relating to the blood vessels of the kidneys.
- rent control — government control over the amount of rent charged, as for housing.
- reply coupon — a coupon sent with an international letter which can be exchanged for stamps sufficient to send a letter back in reply
- reproachable — to find fault with (a person, group, etc.); blame; censure.
- reproachless — irreproachable.
- reproducible — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- resourceless — a source of supply, support, or aid, especially one that can be readily drawn upon when needed.
- reticulation — a reticulated formation, arrangement, or appearance; network.
- reticulocyte — a very young red blood cell, sampled as a measure of red blood cell formation; reticulated erythrocyte.
- retinotectal — of or relating to the retina and the tectum
- retrophiliac — someone who has a strong liking for things from the past
- rhetorically — used for, belonging to, or concerned with mere style or effect.
- rhinocerical — of or relating to the rhinoceros
- rhopaloceral — of or relating to creatures from the Rhopalocera division of animals, which includes all butterflies, distinguished from moths on account of their club-shaped antennae
- ribbon cable — (hardware) A type of flat multicore cable with cores positioned side-by-side, making it quick and relatively easy to clamp an Insulation Displacement Connector (IDC) across all cores. Ribbon cables typically have grey insulation with cores on a 0.050" pitch and a red stripe marking Pin 1. They are less resilient than screened, multicore cable and are usually used inside equipment where little movement or plugging and unplugging are expected. A common use is connecting a disk drive to the motherboard in a PC.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- rock climber — sb who scales mountains
- rock glacier — a mass of rock resembling a valley glacier that moves or is moved down a slope by its own weight or by the action of frost and interstitial ice.
- rock lobster — spiny lobster.
- rock-shelter — a shallow cave or cavelike area, as one formed by an overhanging cliff or standing rocks, occupied by Stone Age peoples, possibly for extended periods.
- rocker panel — body paneling below the passenger compartment of a vehicle.
- rocket plane — aircraft that launches rockets
- rocket salad — rocket2 (def 2).
- rocket-salad — any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
- rodent ulcer — an ulcerating basal cell skin cancer, common on the face.
- 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.
- roncesvalles — a village in N Spain, in the Pyrenees: defeat of part of Charlemagne's army and the death of Roland a.d.
- root climber — a plant that clings to a surface and climbs by means of adventitious roots, as the ivy, Hedera helix.
- rose-colored — of rose color; rosy.
- rough collie — a breed of long-haired collie with a coarse black-and-white or black, tan, and white coat, thicker around its neck and shoulders.
- rust-colored — of the color rust.
- sacred lotus — Indian lotus.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- scatter plot — a graphic representation of bivariate data as a set of points in the plane that have Cartesian coordinates equal to corresponding values of the two variates.
- schoolmaster — a man who presides over or teaches in a school.
- sclerodermic — of or relating to a scleroderm or to sclerodermia; hard-skinned
- sclerophylly — the normal development of much sclerenchyma in the leaves of certain plants, as some desert plants, resulting in thickened, hardened foliage that resists loss of moisture.
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.
- scout leader — the leader of a troop of Scouts
- scrobiculate — furrowed or pitted.
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.