15-letter words containing r, e, p, l, a, n
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- chinese parsley — coriander leaves used as an herb; cilantro
- chloramphenicol — a broad-spectrum antibiotic used esp in treating typhoid fever and rickettsial infections: obtained from the bacterium Streptomyces venezuelae or synthesized. Formula: C11H12N2O5Cl2
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- christadelphian — a member of a Christian millenarian sect founded in the US about 1848, holding that only the just will enter eternal life, that the wicked will be annihilated, and that the ignorant, the unconverted, and infants will not be raised from the dead
- chryse planitia — a plain on Mars, the landing site of the Viking I spacecraft.
- class president — the student president of a school or college class
- clumber spaniel — a type of thickset spaniel having a broad heavy head
- compleat angler — a book on fishing (1653) by Izaak Walton.
- complementaries — forming a complement; completing.
- complementarily — In a complementary manner.
- complementarity — a state or system that involves complementary components
- complimentaries — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- complimentarily — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- contrapropeller — one of two propellers, usually attached to a ship or aircraft, which rotates in the opposite direction to the other
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- counterexamples — Plural form of counterexample.
- counterproposal — a proposal offered as an alternative to a previous proposal
- cowper's glands — two small yellowish glands near the prostate that secrete a mucous substance into the urethra during sexual stimulation in males
- cricopharyngeal — of, relating to, or involving the cricoid cartilage and the pharynx.
- cross-pollinate — to subject or be subjected to cross-pollination
- culture pattern — a group of interrelated culture traits of some continuity.
- cyclobenzaprine — A particular antidepressant generally prescribed as an analgesic and muscle relaxant.
- daily newspaper — A daily newspaper is a newspaper that is published every day of the week except Sunday.
- davenport table — a table with drawers, having drop leaves at both ends, often placed in front of or behind a sofa.
- departmentalism — division into departments, esp when resulting in impaired efficiency
- departmentalize — to organize into departments, esp excessively
- depersonalizing — Present participle of depersonalize.
- depletion layer — a region at the interface between dissimilar zones of conductivity in a semiconductor, in which there are few charge carriers
- deprovincialize — to make provincial in character.
- doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
- draw oneself up — to assume a straighter posture; stand or sit straight
- drop handlebars — aerodynamic handlebars that drop down and curve towards the rider at the ends rather than turning upwards as on conventional bicycles
- edgar allan poe — Edgar Allan, 1809–49, U.S. poet, short-story writer, and critic.
- edmund randolph — A(sa) Philip, 1889–1979, U.S. labor leader: president of the Brotherhood of Sleeping Car Porters 1925–68.
- edriophthalmian — edriophthalmous
- egyptian clover — a Mediterranean clover, Trifolium alexandrinum, grown as a forage crop and to improve the soil in the southwestern US and the Nile valley
- encephalography — Any of various techniques for recording the structure or electrical activity of the brain.
- english sparrow — a small Eurasian weaverbird, Passer domesticus, now established in North America and Australia. It has a brown streaked plumage with grey underparts
- english speaker — a person who speaks English as a first, or second mother tongue
- engraving plate — a metal, usually steel, plate on which an image is engraved in order to be reproduced
- entrepreneurial — Characterized by the taking of financial risks in the hope of profit; enterprising.
- epeirogenically — in the manner of epeirogeny
- epicyclic train — a cluster of gears consisting of a central gearwheel with external teeth (the sun), a coaxial gearwheel of greater diameter with internal teeth (the annulus), and one or more planetary gears engaging with both of them to provide a large gear ratio in a compact space
- epsilon squared — (jargon) A quantity even smaller than epsilon, as small in comparison to epsilon as epsilon is to something normal; completely negligible. If you buy a supercomputer for a million dollars, the cost of the thousand-dollar terminal to go with it is epsilon, and the cost of the ten-dollar cable to connect them is epsilon squared. Compare lost in the underflow, lost in the noise.
- experientialism — (philosophy) The theory that experience is the source of knowledge.
- experientialist — A proponent of experientialism.
- experimentalism — An experimental practice or tendency, especially in the arts.
- experimentalist — One who performs experiments.