12-letter words containing r, e, c, o, l
- 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
- 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
- siliciferous — containing, combined with, or producing silica.
- silky cornel — a cornel, Cornus amomum, of the eastern U.S., having leaves covered with short, silky hairs on the underside and bearing blue berries.
- single-cross — a cross between two inbred lines.
- 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.
- slalom racer — someone who takes part in a slalom
- slipper sock — a sock with a soft leather or vinyl sole sewn onto it, used as indoor footwear.
- social order — structure or hierarchy of society
- solar cooker — a simple, low-cost device using focused sunshine to cook rice, boil water, etc.
- soldier crab — a small blue Australian estuarine crab of the Mictyris genus usually found in large numbers
- solid rocket — any of various rockets using solid fuel
- soprano clef — a sign locating middle C on the bottom line of the staff.
- sorosilicate — any of the silicates in which each silicate tetrahedron shares one of its four oxygen atoms with a neighboring tetrahedron, the ratio of silicon to oxygen being two to seven.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- spectatorial — a person who looks on or watches; onlooker; observer.
- spermatocele — a swelling of the testicle
- spirochaetal — resulting from spirochaetes
- stereocilium — any of the long, flexible microvilli that superficially resemble cilia and occur as a brush border or series of tufts on the surface of various epithelial tissues.
- sternocostal — of, relating to, or situated between the sternum and ribs.
- stockholders — Also called stockowner. a holder or owner of stock in a corporation.
- stone circle — a circle of standing stones erected in prehistoric times
- stone curlew — thick-knee.
- storage cell — a cell whose energy can be renewed by passing a current through it in the direction opposite to that of the flow of current generated by the cell.
- storm cellar — a cellar or underground chamber for refuge during violent storms; cyclone cellar.
- stretch limo — A stretch limo is a very long and luxurious car in which a rich, famous, or important person is driven somewhere.
- submolecular — of or relating to or caused by molecules: molecular structure.
- subopercular — of or relating to the suboperculum
- suboperculum — a bone in fishes behind the operculum or gill covering
- supercilious — haughtily disdainful or contemptuous, as a person or a facial expression.
- supercooling — to cool (a liquid) below its freezing point without producing solidification or crystallization; undercool.
- sweet clover — melilot.
- technicolour — brightly, showily, or garishly coloured; vividly noticeable
- telecommuter — person: works from home
- telecomputer — teleprocessing.
- temper color — any of the colors appearing on the surface of clean, unoxidized steel heated in air, from pale yellow at the coolest to dark blue at the hottest: used as an approximate indication of temperature.
- the cold war — the period (1945-91) of cold war between the Soviet Union and its Communist allies and the U.S. and its non-Communist allies
- theocratical — a form of government in which God or a deity is recognized as the supreme civil ruler, the God's or deity's laws being interpreted by the ecclesiastical authorities.
- thermocouple — a device that consists of the junction of two dissimilar metallic conductors, as copper and iron, in which an electromotive force is induced when the conductors are maintained at different temperatures, the force being related to the temperature difference: used to determine the temperature of a third substance by connecting it to the junction of the metals and measuring the electromotive force produced.