15-letter words containing c, e, m
- raw-pack method — cold pack (def 2).
- reaping machine — any of various machines for reaping grain, often fitted with a device for automatically throwing out bundles of the cut grain.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- recombinational — belonging or relating to recombination
- recontamination — the act of contaminating, or of making something impure or unsuitable by contact with something unclean, bad, etc.
- recreation room — (in a home or public building) a room for informal entertaining, as for dancing, games, cards, etc.
- redocumentation — The creation or revision of a semantically equivalent representation within the same relative abstraction level. The resulting forms of representation are usually considered alternate views intended for a human audience.
- reference frame — frame of reference (def 2).
- remembrance day — (in Canada) November 11, observed as a legal holiday in memory of those who died in World Wars I and II, similar to Veterans Day in the U.S.
- remuera tractor — a four-wheel drive vehicle
- renaissance man — a cultured man of the Renaissance who was knowledgeable, educated, or proficient in a wide range of fields.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- resurrectionism — the exhumation and stealing of dead bodies, especially for dissection.
- retained income — retained earnings.
- rheumatic fever — a serious disease, associated with streptococcal infections, usually affecting children, characterized by fever, swelling and pain in the joints, sore throat, and cardiac involvement.
- rhombencephalon — the hindbrain.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- riemann surface — a geometric representation of a function of a complex variable in which a multiple-valued function is depicted as a single-valued function on several planes, the planes being connected at some of the points at which the function takes on more than one value.
- robe-de-chambre — a dressing gown.
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- rockwell number — a numerical expression of the hardness of a metal as determined by a test (Rockwell test) made by indenting a test piece with a Brale, or with a steel ball of specific diameter, under two successive loads and measuring the resulting permanent indentation.
- romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
- rules committee — a special committee of a legislature, as of the U.S. House of Representatives, having the authority to establish rules or methods for expediting legislative action, and usually determining the date a bill is presented for consideration.
- saccharomycetes — a collective name for yeasts
- sacred mushroom — any of various hallucinogenic mushrooms, esp species of Psilocybe and Amanita, that have been eaten in rituals in various parts of the world
- salem secretary — a tall cabinet having a recessed upper part fitted with drawers and shelves and a lower part with doors and a section falling or pulling out to serve as a writing surface.
- samuel prescott — Samuel, 1751–77, U.S. patriot during the American Revolution: rode with Paul Revere and William Dawes to warn Colonists that British troops were marching from Boston, April 18, 1775.
- sand-lime brick — a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked.
- sarcenchymatous — relating to the connective tissue of some sponges
- sarcoptic mange — mange caused by burrowing mites of the genus Sarcoptes.
- sausage machine — a machine for making sausages
- scatter diagram — 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.
- schmitt trigger — a bistable circuit that gives a constant output when the input voltage is above a specified value
- schone mullerin — a song cycle (1823), by Franz Schubert, consisting of 20 songs set to poems by Wilhelm Müller.
- school-gate mum — a young family-oriented working mother, considered by political parties as forming a significant part of the electorate
- schopenhauerism — the philosophy of Schopenhauer, who taught that only the cessation of desire can solve the problems arising from the universal impulse of the will to live.
- scientific name — Latin term for sth
- sclerodermatous — Zoology. covered with a hardened tissue, as scales.
- scolopendriform — resembling scolopendra
- scotch foursome — foursome (def 2b).
- 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.
- secondary xylem — xylem derived from the cambium during secondary growth.
- secret mosquito — a high-pitched ringtone for a mobile phone, claimed by its distributors to be inaudible to most adults while remaining audible to children and teenagers
- securities firm — a firm that deals in securities
- security camera — closed-circuit TV camera
- seeding machine — a machine for sowing seeds
- self-combustion — the act or process of burning.
- self-commitment — the act of committing.