15-letter words containing c, o, n, t, e, r
- retrofocus lens — a wide-angle lens, for use on single-lens reflex cameras, of inverted telephoto design, with a back focus greater than the focal length.
- retroreflection — of or relating to a surface, material, or device (retroreflector) that reflects light or other radiation back to its source; reflective.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- ribonucleotides — an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid.
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right-of-center — holding conservative views in politics; right-wing.
- right-of-centre — You can describe a person or political party as right-of-centre if they have political views which are closer to capitalism and conservatism than to socialism but which are not very extreme.
- robertson screw — a screw having a square hole in the head into which a screwdriver with a square point (Robertson screwdriver (trademark)) fits
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- rocket airplane — an airplane propelled wholly or mainly by a rocket engine.
- rocket launcher — a tube attached to a weapon for the launching of rockets.
- roller cone bit — A roller cone bit is a tool used for crushing rock, which has three cones that rotate, with attached hardened metal teeth which break the rock into small pieces.
- rolling kitchen — a mobile kitchen used for feeding troops outdoors.
- romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
- round character — a character in fiction whose personality, background, motives, and other features are fully delineated by the author.
- round-the-clock — around-the-clock.
- run-on sentence — a written sequence of two or more main clauses that are not separated by a period or semicolon or joined by a conjunction.
- runabout ticket — a rail ticket that allows unlimited travel within a specified area for a limited period of time (for example one day, a weekend, three days, etc)
- sarcenchymatous — relating to the connective tissue of some sponges
- sarcoptic mange — mange caused by burrowing mites of the genus Sarcoptes.
- scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.
- scavenge stroke — (in a reciprocating engine) the stroke of a piston in a four-stroke cycle that pushes the burnt gases out as exhaust
- schillerization — the process of altering crystals to produce schiller
- scsi controller — SCSI adaptor
- second mortgage — a mortgage the lien of which is next in priority to a first mortgage.
- secondary metal — metal derived wholly or in part from scrap.
- secundogeniture — the state of being the second born child
- self perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-controlled — Someone who is self-controlled is able to not show their feelings or not do the things that their feelings make them want to do.
- self-correcting — automatically adjusting to or correcting mistakes, malfunctions, etc.: a self-correcting mechanism.
- self-laceration — the result of lacerating; a rough, jagged tear.
- self-perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-production — produced by oneself or itself.
- self-protection — protection of oneself or itself.
- self-reflection — the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image; the state of being reflected in this way.
- semantic memory — the recollection of facts and concepts
- semiabstraction — a work of art whose subject matter is semi-abstract
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- senior lecturer — a university teacher who does not hold a professorship.
- service station — Also called gas station. a place equipped for servicing automobiles, as by selling gasoline and oil, making repairs, etc.
- sesquicarbonate — a salt intermediate in composition between a carbonate and a bicarbonate or consisting of the two combined.
- set in concrete — constituting an actual thing or instance; real: a concrete proof of his sincerity.
- shock resistant — not affected by impact
- shock treatment — electroconvulsive therapy
- shock-resistant — strong or resilient enough to sustain minor impacts without damage to the internal mechanism: a shock-resistant watch.
- shopping center — a group of stores within a single architectural plan, supplying most of the basic shopping needs, especially in suburban areas.
- shopping centre — A shopping centre is a specially built area containing a lot of different shops.
- simple fraction — a ratio of two integers.
- smoking-concert — a concert where smoking is allowed.
- sociocentricity — socially oriented.