An Etymological Dictionary of Astronomy and Astrophysics

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory



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Number of Results: 729

Fr.: renormalisation   

A mathematical process used in quantum physics that avoids infinite terms by carefully defining fundamental quantities such as mass and charge.

re-; → normalization.

  ۱) درپینیدن؛ ۲) درپینش   
1) darpinidan; 2) darpineš

Fr.: 1) réparer; 2) réparation   

1) To restore or renew by any process of making good, strengthening, etc.
2) An act, process, or work of repairing (

M.E. repairen, from O.Fr. reparer "repair, mend," from L. reparare "restore, put back in order," from → re- "again" + parare "make ready, prepare;" from PIE root *pere- "to produce."

Darpinidan, literally "patch up, mend," from (Dehxodâ) darpin "patch, bit, rag," variants darpi, darpé, piné "patch."


Fr.: répéter   

To do or say something again.

From O.Fr. repeter "say or do again, demand the return of," from L. repetere "do or say again, attack again," from → re- "again" + petere "go toward, seek, demand, attack"

Bâzgaršidan, infinitive of bâzgarš, → repetition.


Fr.: répéteur   

A device that receives weak incoming signals, boosts the signal and then retransmits the signal.

Agent noun of → repeat.


Fr.: répétition   

The act of repeating; repeated action, performance, production, or presentation.

From L. repetitionem (nominative repetitio), from repetitus, p.p. of repetere "to do or say again."

Bâzgarš from bâz-, → re-, + garš "turn, time (indicating multiplication, as in three times, four times, etc.," aquivalent to Fr. fois), related to gez in hargez "ever, always; never," garz in hagarz "never." Garš has numerous variants in Pers. dialects, all denoting "turn, times" (بار، دفعه), e.g. [Mo'in]: gazak; Qâyeni: gaš; Hamadâni, Qomi: kaš; Lori: gey, gel; Semnâni, Sorxeyi, Lâsgardi, Sangesari: gazak; Gilaki: garaš; Tâleši: gara, vera, verxa; Tabari: gal, gel; Tâti Karingâni: kat; Kermâni: karet; related to Av. hakərət "once," from *ha(m)-kar-, the second element meaning "to do;" Pers; kardan; cf. Skt. sakrt "once, repeated; ever; never."


Fr.: réapprovisionner   

To make full or complete again, as by supplying what is lacking or used up. → replenishment.

M.E. replenisshen, from O.Fr. repleniss-, extended pr.p. stem of replenir "to fill up," from → re-, intensive prefix, + -plenir, from L. plenus "full," cognate with Pers. por "full," → full.

Bâz-âkandan, from bâz, → re-, âkandan "to fill, to stuff;" Mid.Pers. âgandan "to fill, stuff;" maybe related to Skt. ghana- "full of, densely filled with, complete;" Proto-Iranian *kan- "to fill."


Fr.: réapprovisionnement   

The process by which a missing chemical element or compound is added to an astrophysical medium.

Verbal noun of → replenish.

gozâreš (#)

Fr.: rapport   

An account describing in detail an event, situation, or the like, as an → observing report.

M.E. reporten, from M.Fr. reporter, from O.Fr. report, from reporter "to tell, relate," from L. reportare "carry back," from → re- "back" + portare "to carry."

Gozâreš "report; explanation," verbal noun of gozârdan"to explain;" Mid.Pers. wizardan "to explain;" O.Pers. abicriš- "servant," all from prefixed Proto-Iranian *car- "to move, walk, perform;" cf. Av. car- "to move, approach," carānī "moves," aipi-cara- "following," fra-cara- "preceding;" also Mod.Pers. caridan "to graze;" Skt. car- "to move, walk, go, wander, perform," cárati "moves, wanders;" Gk. pelomai "am in motion; go;" L. anculus "servant," colere "to till, inhabit."

  نمایش، نمایندگی   
nemâyeš (#), nemâyandegi (#)

Fr.: représentation   

1) The act or the action of representing; the state of being represented.
2) The expression by some term, character, symbol, or the like.

M.E. representacion, from L. repraesentation, from repraesentatus p.p. of repraesentare, from → re- + praesentare "to show, give, present for approval," from praesens, from praeesse "to be before others, to be present," from prae- "before," → pre- + esse "to be," cognate with Pers. ast "is," astan, hastan "to be."

Nemâyeš, nemâyandegi, from nemudan "to show, demonstrate, exhibit," → display

bâzcâp (#)

Fr.: ré-impression   

A reproduction in print of matter already printed.

re- + → print.


Fr.: reproduire   

1) To produce again or anew.
2) To produce a copy, imitation, or representation of.
3) To generate (offspring) by sexual or asexual means (The

re-; → produce.


Fr.: reproduction   

1) The act of reproducing or the condition or process of being reproduced.
2) Something reproduced, especially in the faithfulness of its resemblance to the form and elements of the original.
3) Biology: Any of various processes, either sexual or asexual, by which an animal or plant produces one or more individuals similar to itself (The

reproduce; → -tion.

vâzadan (#)

Fr.: repousser   

To drive back; to repel.
repulsion, → repulsive force, → repulsive gravity.

M.E., from L. repulsus, p.p. of repellere, from → re- "back" + pellere "to drive, strike, push."

Vâzadan "to repulse," from vâ-re- + zadan "to strike, beat; to play an instrument; to do" (Mid.Pers. zatan, žatan; O.Pers./Av. jan-, gan- "to strike, hit, smite, kill" (jantar- "smiter"); cf. Skt. han- "to strike, beat" (hantar- "smiter, killer"); Gk. theinein "to strike;" L. fendere "to strike, push;" Gmc. *gundjo "war, battle;" PIE *gwhen- "to strike, kill").

vâzaneš (#)

Fr.: répulsion   

Physics: The force that acts between bodies of like electric charge or magnetic polarity, tending to separate them.

Verbal noun of → repulse.

vâzanadé (#)

Fr.: répulsif   

Capable of causing → repulsion.
repulsive force, → repulsive gravity.

repulsive; → -ive.

repulsive force
  نیروی ِ وازننده   
niru-ye vâzanandé

Fr.: force répulsive   

The force by which bodies repel one another. → repulsion.

Repulsive, adj. of → repulse; → force.

repulsive gravity
  گرانی ِ وازننده   
gerâni-ye vâzanadé

Fr.: gravité répulsive   

In → general relativity, the gravity resulting from a → negative pressure. See also → cosmological constant.

repulsive; → gravity.

  ۱) پژوهش؛ ۲) پژوهیدن   
1) pažuheš (#); 2) pažuhidan (#)

Fr.: 1) recherche; 2) rechercher   

1) (n.) A systematic inquiry or investigation into a subject in order to discover or establish or revise facts, theories, applications, etc.
2) (v.) To carry out research into a subject.

From M.Fr. recerche, from O.Fr. recercher "to seek out, search closely," from → re-, intensive prefix, + cercher "to seek for," from L. circare "to go about, wander, traverse," from circuscircle.

Pažuheš, verbal noun of pažuhidan "to search;" Mid.Pers. wizôy- "to examine, investigate;" ultimately from Proto-Iranian *pati-iud-, from *pati- "agaist, back, opposite to, toward, face to face, in front of (cf. O.Pers. paity; Av. paiti; Skt. práti; Pali pati-; Gk. proti, pros "face to face with, toward, in addition to, near;" PIE base *proti) + *iud- "to struggle for something, to fight (Av. yūδ- "to fight, struggle;" Mod.Pers. justan, juy- "to search, seek, ask for"); cf. Mid.Pers. vijuyihitan "to search, seek."

research and development
  پژوهش و گوالش   
pažuheš o govâleš

Fr.: recherche et développement   

Systematic activity combining both basic and applied research, and aimed at discovering solutions to problems or creating new goods and knowledge. (

research; → development.

research director
  راشتار ِ پژوهش   
râštâr-e pažuheš

Fr.: directeur de recherche   

A person who has the quality of guiding, regulating, or controlling the work of other researchers.

research; → director.

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