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categorical syllogism bâhamšomâri-ye katâgorik Fr.: syllogisme catégirique A standard → syllogism that consists of three → categorical propositions in which there are three terms, and each term appears exactly twice. The three terms in a standard categorical syllogism are the → major term, → mino term, and → middle term. → categorical; → syllogism. |
categorize katâgoridan Fr.: catégorise To place in a → category or class. |
category katâgor Fr.: catégorie 1) A group of things that are similar in some way. M.Fr. catégorie, from L.L. categoria, from Gk. kategoria, from kategorein "to speak against; to accuse, assert, predicate," from kata "down, against, back," → cata-, + agorein "to speak before public assembly," from agora "marketplace, public square" (from ageirein "to gather"); cognate with L. grex, gregis "herd, troop, crowd;" Skt. gramah- "heap, crowd, community;" Old Icelandic kremja "to squeeze;" O.E. crammian "to cram;" Latvian gùrste "bundle of flask;" Polish garnac "to gather;" Russ. gorst' "cupped hand;" cf. Pers. gor-, gal-, etc., as below; PIE base *ger- "to gather." Katâgor, from katâ-, → cata-,
+ gor- "to gather," ultimately from PIE *ger-, as above. We put forward that the
following Iranian words derive from the above PIE base *ger- "to gather": |
category theory negare-ye katâgor Fr.: théorie des catégories A theory that deals with the concept of → category and generalizes the → set theory. |
cathode kâtod (#) Fr.: cathode A negatively charged electrode that is the source of electrons in an electrical device. Gk. kathodos "descent, a way down," from kata- "down" + hodos "way, path." |
cathode ray partw-e kâtodi (#) Fr.: rayon cathodique A kind of ray generated at the cathode in a vacuum tube, by the electrical discharge. → cathode; →ray. |
catholic astrolabe ostorlâb-e hargâni Fr.: astrolabe catholique Same as → universal astrolabe. Catholic, M.E., from Fr. catholique, from Church Latin catholicus "universal, general," from Gk. katholikos, from phrase kath' holou "on the whole, in general," from kata "about," → cata-, + genitive of holos "whole," → holo-; → astrolabe. |
cation kâtion (#) Fr.: cation Chemistry: A → positively charged → ion that is attracted to the → cathode in electrolysis. Any positively charged atom or group of atoms (opposed to → anion). |
catoptric light nur-e bâztâbik Fr.: lumière catoptrique Light that is reflected from a curved surface mirror. → catoprtics; → light. |
catoptric system râžmân-e bâztâbik Fr.: système catoprtique An optical system in which the light is reflected only. → catoprtics; → system. |
catoptrics bâztâbik Fr.: catroptique The area of → optics which treats of the laws and properties of light reflected from reflective surfaces. From Gk. katoptrikos, from katoptron "mirror" (from kat-, → cata-, + op- "to see," → optics, + -tron suffix of instruments) + -ikos, → -ics. Bâztâbik, from bâztâb, → reflection, + -ik, → -ics. |
cattle dâm (#) Fr.: bétail Domesticated quadrupeds held on a farm, especially oxen, bulls, and cows. M.E. catel, from M.Fr. catel "property" (O.Fr. chatel), from M.L. capitale "property, stock," from L. capitalis "principal, chief," literally "of the head," from caput, → head. Dâm, originally "nonferocious animal," especially "herbivorous quadrupeds such as cows, sheep, etc.;" Mid.Pers. dâm "creature, creation;" O.Pers. dā- "to put, make, create;" Av. dā- "to place, put, create," dāmay- "creation; creating; creator," dāmi.dāt- "creating the creation;" cf. Skt. dhā- "to put, to place;" Gk. tithemi "to put, to place;" L. facere "to do;" O.H.G. tuon; E. to do. |
Cauchy's equation hamugeš-e Cauchy Fr.: équation de Cauchy A relationship between the → refractive index (n) and the wavelength of light (λ) passing through a medium. It is commonly stated in the following form: n = A + B/λ2 + C/λ4, where A, B, and C are constants characterizing the medium. The two-component Cauchy equation is n = A + B/λ2, from which the dispersion becomes dn/dλ = -2B/λ3 showing that dispersion varies approximately as the inverse cube of the wavelength. The dispersion at 4000 A will be about 8 times as large as at 8000 Å. Named after Augustin Louis Cauchy (1789-1857), French mathematician and physicist who found the first equation of dispersion in 1836; → equation. |
Cauchy's theorem farbin-e Cauchy Fr.: théorème de Cauchy If f(x) and φ(x) are two → continuous functions on the → interval [a,b] and → differentiable within it, and φ'(x) does not vanish anywhere inside the interval, there will be found, in [a,b], some point x = c, such that [f(b) - f(a)] / [φ(b) - φ(a)] = f'(c) / φ'(c). → Cauchy's equation; → theorem. |
causal bonârmand, bonâri Fr.: causal Of, involving, or constituting a cause; indicative of or expressing a cause. Adj. from → cause. |
causal structure sâxtâr-e bonârmand Fr.: structure causale In → special relativity, the causal relationship between → events involving a → light cone. |
causality bonârmandi Fr.: causalité The relationship between causes and effects Causality, from → causal + -ity. Bonârmandi, from bonâr→ cause + -mand suffix denoting relation, affinity + -i noun forming suffix. |
causality principle parvaz-e bonârmandi Fr.: principe de causalité The principle that cause must always precede effect. |
causation bonâreš Fr.: relation de cause à effet 1) The act or process of causing; the act or agency which produces an effect. Verbal noun from → cause. |
causative bonârandé Fr.: causatif, causal, responsable 1) Effective or operating as a cause or agent. |
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