An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 8 Search : character
character
  ۱) سرشت، سرشتار؛ ۲) سرشتار؛ ۳) دخشه   
1) serešt (#), sereštâr; 2) sereštâr; 3) daxšé (#)

Fr.: 1, 3) caractère; 2) personnage   

1a) The aggregate of features and traits that form the individual nature of some person or thing.
1b) One such feature or trait; characteristic.
2) A person represented in a play, film, story, etc; role. See also → personage (Dictionary.com).
3) Computers: One of a set of symbols, such as letters or numbers, that are arranged to express information; the numerical code representing such a character.

M.E. carecter "distinctive mark," from O.Fr. caractère, from L. character, from Gk. kharakter "graving tool, its mark," from kharassein "to engrave," from kharax "pointed stick."

1, 2) Serešt "nature, temperament, constitution; mixed," sereštan "to mix, mingle; knead;" serišom "glue;" Mid.Pers. srištan "to mix, knead;" cf. Av. ham-sriš- "to put together;" Skt. śres- "to cling, stick, be attached;" Proto-Ir. root *sraiš- "to put together, attach" (Cheung 2007).
Sereštâr with -âr, contraction of âvar agent noun of âvardan "to bring; to cause, produce," → format.
3) Daxšé, variants dâq "a brand, a mark burned on the skin of an animal with a hot iron," Gilaki dajé "a brand," Hamadani daj "sign placed on a heap of harvest indicating identity or ownership," Mid.Pers. daxšag "mark, sign, charactersitic; (monthly) signs (of women)", dazidan "to burn, scorch," Av. daxša- "sign, mark, defect," from dag- "to burn," dažaiti "burns," cf. Skt. dah- "to burn," dahati "burns," Gk. tephra "ash," L. favilla "glowing ashes," Lith. dagas "hot season," O.Prus. dagis "summer," P.Gmc. *dagaz, Ger. Tag, E. day; PIE *dhegwh- "to burn."

characteristic age
  سن ِ سرشتاری   
senn-e sereštâri

Fr.: âge caractéristique   

Of a pulsar, a normalized period of rotation assumed to be a good approximation to pulsar's true age.

characteristic; → age.

characteristic curve
  خم ِ سرشتاری   
xam-e sereštâri

Fr.: courbe caractéristique   

Graph representing an optical film's response to the amount of light falling on it.

characteristic; → curve.

characteristic equation
  هموگش ِ سرشتاری   
hamugeš-e sereštâri

Fr.: équation caractéristique   

Physics: An analytical relationship between a set of physical variables that determines the state of a physical system.
Math.: The equation which is solved to find a matrix's eigenvalues, also called the characteristic polynomial.

characteristic; → equation.

characteristic mass
  جرم ِ سرشتاری   
jerm-e sereštâri

Fr.: masse caractéristique   

A typical or most likely mass for the formation of an astronomical object. In current star formation models, it is of order of a few tenths of a → solar mass.

characteristic; → mass.

characteristic thermal energy
  کاروژ ِ گرمایی ِ سرشتاری   
kâruž-e garmâyi-ye sereštâri

Fr.: énergie thermique caractéristique   

The quantity kT in the → Maxwell-Boltzmann distribution law, where k is → Boltzmann's constant and T the gas temperature. See also → thermal energy.

characteristic; → thermal; → energy

characterization
  ۱) سرشتارش؛ ۲) تنومسا سازی   
1) sereštâreš 2) tanumsâ sâzi

Fr.: 1) caractérisation; 2) représentation des caractères   

1) The act of describing the character or qualities of someone or something.
2) The artistic representation (as in fiction or drama) of human character or motives (Merriam-Webster.com).

characterize; → -tion.

characterize
  سرشتاردن   
sereštârdan

Fr.: caractériser   

1) To mark or distinguish as a characteristic; be a characteristic of.
2) To describe the character or individual quality of.
3) To attribute character to (Dictionary.com).

character; → -ize.