20-letter words containing c, h, e, n
- matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
- maternal health care — care for the health of a pregnant woman provided by a hospital or health centre
- mechanical advantage — the ratio of output force to the input force applied to a mechanism.
- mechanical impedance — impedance (def 2).
- mechanical-impedance — Electricity. the total opposition to alternating current by an electric circuit, equal to the square root of the sum of the squares of the resistance and reactance of the circuit and usually expressed in ohms. Symbol: Z.
- mecklenburg-schwerin — a former state in NE Germany, formed in 1934 from two states (Mecklenburg-Schwerin and Mecklenburg-Strelitz)
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- methylbenzyl acetate — methylphenylcarbinyl acetate.
- metric hundredweight — a unit of weight equivalent to 50 kilograms.
- mischaracterizations — Plural form of mischaracterization.
- mobile phone chicken — a highly dangerous game in which a person is challenged to perform a hazardous stunt which he or she films with a camera phone
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- multiple inheritance — (programming) In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
- near-market research — scientific research that, while not linked to the development of a specific product, is likely to be commercially exploitable
- nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
- neurophysiologically — In terms of, or with regard to, neurophysiology.
- neuropsychiatrically — In terms of neuropsychiatry.
- neuropsychologically — In terms of or by means of neuropsychology.
- new jerusalem church — a sect founded in 1787, based on Swedenborgianism
- no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
- nondirective therapy — client-centered therapy.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- north canadian river — a river in NE New Mexico, E Texas, and E Oklahoma, flowing SE to the Canadian River. 760 miles (1223 km) long.
- north celestial pole — the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
- northern white cedar — any of several chiefly coniferous trees valued for their wood, especially Chamaecyparis thyoides, of the eastern U.S., or Thuja occidentalis (northern white cedar) of northeastern North America.
- not have the stomach — If you have no stomach for something, you do not have the courage to do it.
- not hold a candle to — to be inferior or contemptible in comparison with
- not worth the candle — not worth the price or trouble entailed (esp in the phrase the game's not worth the candle)
- occupation franchise — the right of a tenant to vote in national and local elections
- occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
- off the beaten track — formed or shaped by blows; hammered: a dish of beaten brass.
- olfactory anesthesia — absence or loss of the sense of smell.
- on the factory floor — in a factory; as a factory worker
- orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
- overenthusiastically — With excessive enthusiasm.
- owner-occupied house — a house that is owned by the person who lives in it
- pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
- para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- phenylpropyl acetate — a colorless, water-insoluble liquid, C 1 0 H 1 2 O 2 , used chiefly in perfumery.
- phosphoric anhydride — phosphorus pentoxide.
- photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
- photogelatin process — collotype (def 1).
- phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
- physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
- pipeline burst cache — (hardware, storage) (PB Cache) A synchronous cache built from pipelined SRAM. A cache in which reading or writing a new location takes multiple cycles but subsequent locations can be accessed in a single cycle. On Pentium systems in 1996, pipeline burst caches are frequently used as secondary caches. The first 8 bytes of data are transferred in 3 CPU cycles, and the next 3 8-byte pieces of data are transferred in one cycle each.
- powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.