12-letter words containing a, i, r, l, o, c
- radiological — of or relating to radiology.
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- railroad car — a railway carriage or van
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- ravioli code — (jargon, humour) Object-oriented code consisting of a number of small and loosely-coupled software components. Presumably, the term is a compliment, contrasting the code with spaghetti code.
- reallocation — the act of allocating; apportionment.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- reconcilable — capable of being reconciled.
- recreational — of or relating to recreation: recreational facilities in the park.
- rectirostral — (of a bird) having a straight bill.
- reticulation — a reticulated formation, arrangement, or appearance; network.
- 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
- 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 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.
- 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.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- saccharoidal — having a crystalline or granular texture: said esp. of some sandstones and marbles
- 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.
- scintillator — a phosphor capable of producing scintillations.
- 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.
- scrobiculate — furrowed or pitted.
- scrophularia — a member of a genus of flowering plants which have a square stem and are known as figworts
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.
- semitropical — subtropical.
- 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.
- shared logic — the sharing of a central processing unit and associated software among several terminals
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- silk factory — plant where silk fabric is produced
- social order — structure or hierarchy of society
- socratically — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- soldier crab — a small blue Australian estuarine crab of the Mictyris genus usually found in large numbers
- solidaristic — relating to solidarism
- sophomorical — characteristic of a sophomore
- 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.
- spirochaetal — resulting from spirochaetes
- sporadically — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- stalactiform — resembling or shaped like a stalactite.