14-letter words containing a, r

nuclear energy — energy released by reactions within atomic nuclei, as in nuclear fission or fusion.
nuclear family — a social unit composed of two parents and one or more children.
nuclear fusion — fusion (def 4).
nuclear isomer — isomer (def 2).
nuclear option — the use of or power to use nuclear weapons
nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei.
nuclear winter — the general devastation of life, along with worldwide darkness and extreme cold, that some scientists believe would result from a global dust cloud screening out sunlight following large-scale nuclear detonations.
nuclearization — to equip with nuclear weapons; give nuclear capability to: a fear that armed forces on both sides would become nuclearized.
nudibranchiate — nudibranch.
null character — Computers. a control character representing nothing, with the value of binary zero, but having special meaning when interpreted as text, as in marking the end of character strings.
numeral system — any notation for the representation of numerals or numbers.
numeric keypad — a separate section on some computer keyboards, grouping together numeric keys and those for mathematical or other special functions in an arrangement like that of a calculator.
numidian crane — the demoiselle crane
nursery stakes — a race for two-year-old horses
nutraceuticals — Plural form of nutraceutical.
object program — a computer program translated from the equivalent source program into machine language by the compiler or assembler
obligatoriness — The quality or state of being obligatory.
occupancy rate — The occupancy rate at a hotel is the number of available rooms that are occupied over a period of time.
oceanic trench — a long narrow steep-sided depression in the earth's oceanic crust, usually lying above a subduction zone
oceanographers — Plural form of oceanographer.
ockham's razor — Occam's razor.
octave coupler — a mechanism on an organ and on some harpsichords that enables keys or pedals an octave apart to be played simultaneously
ocularcentrism — The privileging of vision over the other senses.
oehlenschläger — Adam Gottlob (ˈadam ˈɡɔtlɔp). 1779–1850, Danish romantic poet and dramatist
of a certainty — without a doubt; certainly
of your dreams — If you describe someone or something as the person or thing of your dreams, you mean that you consider them to be ideal or perfect.
off the charts — a sheet exhibiting information in tabular form.
off the shears — (of a sheep) newly shorn
office manager — employee in charge of office personnel
old franconian — the Franconian language before 1100; Frankish.
old low german — the language of the German lowlands before c1100. Abbreviation: OLG.
old-line party — either the Liberal Party or the Conservative Party
olfactory bulb — the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates.
olfactory lobe — the anterior part of each cerebral hemisphere, involved with olfactory functions.
oligomenorrhea — abnormally infrequent menstruation.
omega-c baryon — a neutral baryon having a mass 5292 times that of the electron and a mean lifetime of approximately 6.4 X 10 -14 seconds.
omphalocentric — Overly introspective and inclined to navel-gazing.
on a long rein — with the reins held loosely so that the horse is relatively unconstrained
on easy street — well-to-do; in easy circumstances
on one's guard — to keep safe from harm or danger; protect; watch over: to guard the ruler.
on the average — a quantity, rating, or the like that represents or approximates an arithmetic mean: Her golf average is in the 90s. My average in science has gone from B to C this semester.
on the part of — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
on the rampage — behaving violently or destructively
on the surface — to all appearances
on the upgrade — improving or progressing, as in importance, status, health, etc
on the warpath — the path or course taken by American Indians on a warlike expedition.
onchocerciasis — an infestation with filarial worms of the genus Onchocerca, common in tropical America and Africa, transmitted by black flies, and characterized by nodules under the skin, an itchy rash, eye lesions, and in severe cases, elephantiasis.
oncornaviruses — Plural form of oncornavirus.
ondes martenot — an electronic keyboard instrument in which the frequency of an oscillator is varied to produce separate musical notes
one-horse race — if a contest is described as a one-horse race, it is thought that one person or thing will definitely win it

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