Fr.: théories des nombres
The branch of mathematics that studies the relationship between integers and their generalization.
1) šomârâl; 2) šomâre-yi (#), adadi (#)
Fr.: 1) numéral; 2) numéral, numérique
1) A symbol, group of symbols, or word used to express a number.
For any number there is an infinite number of numeral expressions.
For example, the number two can be written as 2, II, binary 10, 4/2, 18/8, etc.
râžmân-e adadi, é adadhâ
Fr.: système de numération
The quantity x in a fraction x/y). The quantity y is the → denominator.
L.L. numerator "a counter, numberer," from L. numera(re) "to number," → number + -tor a suffix forming personal agent nouns from verbs and, less commonly, from nouns.
Šomârân, agent noun of šomârdan, → number.
Relating to or expressed in numbers.
Adj. of → number.
Fr.: analyse numérique
The study of methods for approximation of solutions of various classes of mathematical problems including error analysis.
modelsâzi-ye adadi (#), tarzâlsâzi-ye ~
Fr.: modélisation numérique
The prediction of the evolution of a system via numerical construction of approximate solutions to the governing equations.
mânandeš-e adadi, hamânand sâzi-ye ~
Fr.: simulation numérique
Another name for → numerical modeling.
Nunki (σ Sagittarii)
Unusual name of Babylonian origin, of unknown significance.
To undergo or show nutation.
Nutate, back formation from → nutation.
Mechanics: A wobbling motion of a spinning rigid body, such as a top,
as it precesses about its vertical axis.
Fromm L. nutation-, from nutat(us), p.p. of nutare "to wobble, to sway, to nod repeatedly," from nu "nod" + -ta frequentative suffix + -tus p.p. ending + -ion a suffix denoting action or condition.
Kaltâv, from Kermâni keletow, Malâyeri kallatow "wobbling," from kal, kalleh "head" + tâv, tow, tâb "swing, twist," from tâbidan "to twist, to spin."
nutation in right ascension
Fr.: nutation en ascension droite
Same as → equation of the equinoxes.
A drive mechanism used to move a radar beam in a circular, spiral, or conical path periodically.
Agent noun of → nutate.
1) Nourishing; providing nourishment or nutriment.
From L. nutrientem, pr.p. of nutrire, → nourish.
Fârmand, from present stem of fâridan, + -mand.
1) Any substance or matter that, taken into a living organism, serves to sustain
it in its existence, promoting growth, replacing loss, and providing energy.
From L. nutrimentum "nourishment; support," from nutrire, → nourish.
Fârâk, from present stem of fâridan, → nourish, + -âk (as in xorâk, pušâk, etc.).
Fr.: nutrition, alimentation
1) The act or process of nourishing or of being nourished.
Verbal noun from L. nutrire, → nourish.
A person who is trained or expert in the science of nutrition.
Fr.: nutritif, nourrissant
1) Serving to nourish; providing nutriment; nutritious.
Adjective and agent noun from L. nutrire, → nourish.
L.L. nyctalopia, from Gk. nukt, → night + al(aos) "blind" + -opia, akin to ope "view, look," ops "eye."
Fr.: formule de Nyquist
The mean square noise voltage across a resistance in thermal equilibrium is four times the product of the resistance, Boltzmann's constant, the absolute temperature, and the frequency range within which the voltage is measured. → Johnson-Nyquist noise.