12-letter words containing r, c, o, l
- rotflmaoastc — (chat) Rolling on the floor laughing my ass (or arse) off and scaring the cat. The superlative form of ROTFL.
- 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.
- royal colony — a colony ruled or administered by officials appointed by and responsible to the reigning sovereign of the parent state.
- royal octavo — a book size, 61⁄4 by 10 inches
- rust-colored — of the color rust.
- saccharoidal — having a crystalline or granular texture: said esp. of some sandstones and marbles
- sacred lotus — Indian lotus.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- sacroiliitis — the inflammation of the sacroiliac joint
- 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.
- 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.
- school board — a local board or committee in charge of public education.
- school hours — the period of the day when school is open
- school prawn — a common olive-green prawn, Metapenaeus macleayi
- school shark — an Australian shark resembling the tope, Notogaleus australis
- schoolmaster — a man who presides over or teaches in a school.
- scintillator — a phosphor capable of producing scintillations.
- scissor bill — a type of skimmer bird
- 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.
- scorpion fly — any of several harmless insects of the order Mecoptera, the male of certain species having a reproductive structure that resembles the sting of a scorpion.
- scout leader — the leader of a troop of Scouts
- scrobiculate — furrowed or pitted.
- scrophularia — a member of a genus of flowering plants which have a square stem and are known as figworts
- scrupulosity — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- scrupulously — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- scrutinously — in a scrutinous manner
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.
- second floor — the floor or story above the ground floor.
- second world — the world's industrialized nations other than the U.S. and the U.S.S.R.
- self-colored — of one color.
- self-concern — to relate to; be connected with; be of interest or importance to; affect: The water shortage concerns us all.
- self-control — control or restraint of oneself or one's actions, feelings, etc.
- self-mockery — gentle humour at one's own expense
- semitropical — subtropical.
- senior clerk — a clerk who is in a senior position and performs office tasks under minimal supervision
- serial comma — a comma used after the next-to-last item in a series of three or more items when the next-to-last and last items are separated by a conjunction. In the series A, B, C, or D, the comma after C is the series comma.
- servocontrol — control by means of a servomechanism.
- shared logic — the sharing of a central processing unit and associated software among several terminals
- shawl collar — a rolled collar and lapel in one piece that curves from the back of the neck down to the front closure of a single-breasted or double-breasted garment.
- short column — a column whose relative dimensions ensure that when it is overloaded it fails by crushing, rather than buckling
- short splice — a splice used when an increased thickness of the united rope is not objectionable, made by unlaying the rope ends a certain distance, uniting them so that their strands overlap, then tucking each alternately over and under others several times.
- siderophilic — having characteristics of siderophile
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- siliciferous — containing, combined with, or producing silica.