An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1054
perfection
  فرساختگی، فرسازش   
farsâxtegi, farsâzeš

Fr.: perfection   

The state or quality of being or becoming perfect.

perfect; → -tion.

perfectionism
  فرساختگرایی، فرساختگری   
farsâxtgerâyi, farsâxtgari

Fr.: perfectionisme   

1) Any of various doctrines holding that religious, moral, social, or political perfection is attainable.
2) A personal standard, attitude, or philosophy that demands perfection and rejects anything less (Dictionary.com).

perfection; → -ism.

perfectionist
  فرساختگرا، فرساختگر   
farsâxtgerâ, farsâxtgar

Fr.: perfectioniste   

1) A person who adheres to or believes in → perfectionism.
2) A person who demands perfection of himself, herself, or others (Dictionary.com).

perfection; → -ist.

perform
  پرگالیدن   
pergâlidan

Fr.: exécuter, accomplir   

1) To carry out; → execute; do.
2) To go through or execute in the proper, customary, or established manner (Dictionary.com).

M.E. parformen, from Anglo-Fr. performer, from O.Fr. parfornir "to do, carry out, finish, accomplish," from par- "completely," → per-, + fornir "to provide."

Pergâlidan, from Kurd. (Sanandaj) pergâl "work, doing; order, command," ultimately from Proto-Ir. *parikar-, from *pari- "through, throughout; thoroughly" (O.Pers. pariy "around, about;" Av. pairi "around, over") + *kar- "to do;" Pers. kar-, variants kâr, gar, gâr, → work.

performance
  پرگال   
pergâl

Fr.: 1, 3) représentation, interprétation; 2) fonctionnement, performance; exécution   

1) The act of performing a ceremony, play, piece of music, etc.
2) The execution or accomplishment of work, acts, feats, etc.
3) A musical, dramatic, or other entertainment presented before an audience (Dictionary.com).

perform; → -ance.

performative
  ۱) پرگالی؛ ۲) واپش ِ پرگالنده   
1) pergâli; 2) vâpeš-e pergalandé

Fr.: 1) performatif; d'interprétation; 2) performativité   

1) Relating to or of → performance, especially of dramatic or artistic performance.
2) A → performative utterance.

perform; → -ive.

performative utterance
  واپش ِ پرگالنده   
vâpeš-e pergâlandé

Fr.: performativité   

A sentence or expression which is not only describing a given reality, but actually does or accomplishes something. For example "I now declare you husband and wife" (when uttered by the authorized officiator during a marriage ceremony).

performative; → utterance.

performer
  پرگالگر، پرگالنده   
pergâlgar, pergâlandé

Fr.: interprète, acteur, artiste   

1) Someone who performs in front of an audience, for example an actor or musician.
2) Someone who does something with a particular amount of success (Macmillan Dictionary).

perform; → -er.

peri-
  پیرا-   
pirâ- (#)

Fr.: péri-   

A prefix meaning "about, around" (perimeter, periscope), "enclosing, surrounding" (pericardium), and "near" (perigee, perihelion).

From Gk. peri "around, about, beyond;" cognate with Pers. pirâ-, as below.

Pirâ-, variant par- "around, about," from Mid.Pers. pêrâ; O.Pers. pariy "around, about," Av. pairi "around, over," per- "to pass over, beyond;" cf. Skt. pari; Indo-Iranian *pari- "around;" PIE base *per- "through, across, beyond;" cf. Gk. peri "around, about, beyond;" L. per "through."

periapsis
  پیراهباک   
pirâhabâk

Fr.: périapse   

The point in an orbit of a body where it is closest to its primary; opposite of → apoapsis.

peri- + → apsis.

periastron
  پیرا-اختر   
pirâaxtar

Fr.: périastre   

In a binary system, the point in the orbit where a component is nearest the other component; opposite of → apastron.

peri- + astron; → astro-.

pericenter
  پیرامرکز   
pirâmarkaz

Fr.: péricentre   

The point in the orbit of one component of a binary system which is closest to the center of mass of the system; opposite of → apocenter.

peri- + → center.

pericynthion
  پیراماه   
pirâmâh

Fr.: périlune   

The point in the orbit of a satellite around the Moon closest to the Moon; opposite of → apocynthion.

peri- + Gk. Cynthia "goddess of the Moon;" → Cynthian.

Pirâmâh, from pirâ-, → peri-, + mâhmoon.

perigalactic
  پیراکهکشانی   
pirâkahkešâni

Fr.: périgalactique   

Of or pertaining to a → perigalacticon.

peri-; → galactic.

perigalacticon
  پیراکهکشان   
pirâkahkešân

Fr.: périgalacticon   

The point in an object's orbit around a galaxy when the object lies closest to the galactic center; opposite of → apogalacticon.

peri- + → galaxy.

perigee
  پیرازم   
pirâzam

Fr.: périgée   

The point in the orbit of a body revolving around the Earth at which it is nearest to the Earth; opposite of → apogee.

From Fr. périgée, from L. perigæum, from Gk. perigaion "near of the earth," from → per- "near" + gaia/ge "earth."

Pirâzam, from pirâ-, → peri-, + Av. zam- "the earth," Mid.Pers. zamig, Mod.Pers. zami, zamin "the earth;" cf. Skt. ksam, Gk. khthôn, khamai "on the ground," L. homo "earthly being" and humus "the earth" (as in homo sapiens or homicide, humble, humus, exhume); PIE root *dh(e)ghom "earth".

perigee eclipse
  گرفت ِ پیرازمی   
gereft-e pirâzami

Fr.: éclipse périgée   

A solar or lunar eclipse that takes place when the Moon is at the → perigee of its orbit. The maximum duration of a solar perigee eclipse is 5h 14m (between first and the fourth contact). The maximum duration of a lunar perigee eclipse, between the two exterior contacts of the Moon with the penumbra, is 5h 16m, the maximum totality being 1h 40m (M.S.: DSE).

perigee; → eclipse.

perigee full Moon
  پرمانگ ِ پیرازم   
pormâng-e pirâzam

Fr.: pleine lune de périgée   

The → full Moon when our natural satellite is at its closest approach to the Earth. Perigee full Moons are as much as 14% larger and 30% brighter than → apogee full Moons. Also called perigee-syzygy full Moon, super full Moon, and → supermoon. The Supermoon on November 14, 2016, was the closest (356,523 km) a Full Moon has been to Earth since January 26, 1948. The next time a Full Moon is even closer to Earth (356,448 km) will be on November 25, 2034.

perigee; → full; → moon.

perigee-syzygy full Moon
  مانگ ِ پیراهور-یوجان   
Mâng-e pirâhur-yujân

Fr.: lune de périgéé-syzygie   

perigee full Moon.

perigee-; → syzygy; → full; → moon.

perihelion
  پیراهور   
pirâhur

Fr.: périhélie   

The nearest point to the Sun in an orbit around the Sun; opposite of → aphelion.

Perihelion, from L. perihelium, from → peri- + helios "sun," cognate with L. sol, Skt. surya, Av. hvar-, Mod.Pers. xor, hur, O.H.G. sunna, Ger. Sonne, E. sun; PIE *sawel- "sun".

Pirâhur, from pirâ-, → peri-, + hur "sun," as above;

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