17-letter words containing c, h, u, n
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- huygens' eyepiece — a telescope eyepiece consisting of two planoconvex lenses separated by a distance equal to half the sum of their focal lengths, which are in the ratio of three to one, and oriented so that their curved surfaces face the incident light
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
- immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
- in the background — behind the focus of attention
- in the public eye — featured prominently in the media
- induction heating — a method of heating a conducting material, as metal in a furnace, by using electromagnetic induction to establish a current in the material.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- japanese chestnut — any of the several deciduous trees constituting the genus Castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including C. dentata (American chestnut) which has been virtually destroyed by the chestnut blight, C. sativa (European chestnut) C. mollissima (Chinese chestnut) and C. crenata (Japanese chestnut)
- julian of norwich — ?1342–?1413, English mystic and anchoress: best known for the Revelations of Divine Love describing her visions
- junior technician — a rank in the RAF senior to aircraftman: comparable to that of private in the army
- light machine gun — any air-cooled machine gun having a caliber not greater than 0.30 inches (7.6 mm).
- liquidity cushion — a reserve fund of assets held by a company or person
- lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
- manufactured home — a prefabricated house, assembled in modular sections.
- mechanical tissue — a plant tissue made up of hard, thick-walled cells that add strength to an organ
- millennial church — the church of the Shakers.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- mountain viscacha — the mountain chinchilla
- muenster (cheese) — a mild light-yellow semisoft cheese
- nathaniel currier — Nathaniel, 1813–88, U.S. lithographer. Compare Ives (def 4).
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- natural hat trick — three goals scored in succession by one player in one game or one period.
- nautical twilight — the period of time during which the sun is 12° below the horizon
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
- nichiren buddhism — a doctrine of salvation based on the Lotus Sutra.
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- nikita khrushchev — Nikita S(ergeyevich) [ni-kee-tuh sur-gey-uh-vich;; Russian nyi-kyee-tuh syir-gye-yuh-vyich] /nɪˈki tə sɜrˈgeɪ ə vɪtʃ;; Russian nyɪˈkyi tə syɪrˈgyɛ yə vyɪtʃ/ (Show IPA), 1894–1971, Russian political leader: premier of the U.S.S.R. 1958–64.
- northcountrywoman — a female native or inhabitant of the North of England
- not think much of — be unimpressed by
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- numbering machine — a handheld device for stamping numbers onto objects
- on second thought — Often, second thoughts. reservation about a previous action, position, decision, judgment, or the like: He had second thoughts about his decision.
- out for the count — If someone is out for the count, they are unconscious or very deeply asleep.
- overnight success — sth or sb suddenly popular
- parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
- perpetual spinach — a variety of spinach that keeps producing edible leaves
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- photoconductivity — the increase in the electrical conductivity of a substance, often nonmetallic, caused by the absorption of electromagnetic radiation.
- photoluminescence — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- physical pendulum — any apparatus consisting of a body of possibly irregular shape allowed to rotate freely about a horizontal axis on which it is pivoted (distinguished from simple pendulum).
- pincushion cactus — any of various low-growing, spiny cacti of the genus Mammillaria.
- pincushion flower — scabious2 (def 1).
- ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.