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: 13176 Search : in
measure
  ۱) اندازه؛ ۲) اندازه گرفتن   
1) (n.) andâzé (#); 2) (v.) andâzé gereftan (#)

Fr.: 1) mesure; 2) mesurer   

1) A unit or standard of → measurement; the act or process of ascertaining the extent, dimensions, or quantity of something; measurement; the quantity obtained by such a process.
2) To use standard units to determine the magnitude, extent, size, etc. of something. The quantity obtained by such a process.

From O.Fr. mesurer, from L.L. mensurare "to measure," from L. mensura "a measuring, a thing to measure by," from mensus, p.p. of metiri "to measure," → meter.

1) Andâzé "measure," from Mid.Pers. andâzag, handâcak "measure," handâxtan, handâz- "to measure," Manichean Mid.Pers. hnds- "to measure," Proto-Iranian *hamdas-, from ham-, → com-, + *das- "to heap, amass;" cf. Ossetic dasun/dast "to heap up;" Arm. loanword dasel "to arrange (a crowd, people)," das "order, arrangement."
2) Andâzé gereftan, compound verb, literally "to take measure," from andâzé, as above, + gereftan "to take, seize" (Mid.Pers. griftan; Av./O.Pers. grab- "to take, seize;" cf. Skt. grah-, grabh- "to seize, take," graha "seizing, holding, perceiving;" M.L.G. grabben "to grab;" from P.Gmc. *grab; E. grab "to take or grasp suddenly;" PIE base *ghrebh- "to seize").

measurement
  اندازه‌گیری   
andâzegiri (#)

Fr.: mesure   

1) The act of measuring; a measured quantity.
2) The determination of the magnitude or amount of a quantity by comparison (direct or indirect) with the prototype standards of the system of units employed (IEEE Standard Dictionary of Electrical and Electronics Terms). → absolute measurement, → measurement uncertainty, → Roemer's measurement.

Verbal noun of → measure.

measurement uncertainty
  ناتاشتیگی ِ اندازه‌گیری   
nâtâštigi-ye andâzegiri

Fr.: incertitude de mesure   

The interval within which lies the actually measured value of a physical quantity and the true value of the same physical quantity.

measurement; uncertainty, from negation prefix un- + → certainty.

mechanic
  ساز-و-کارمند، ساز-و-کارگر   
sâzokârmand, sâzokârgar

Fr.: mécanicien   

A person who repairs and maintains machinery, motors, etc. (Dictionary.com). Same as → mechanician.

mechanics.

mechanical
  ساز-و-کاریک، ساز-و-کاروار   
sâzokârik, sâzokârvâr

Fr.: mécanique   

1) Of, connected with, produced by → mechanics.
2) Like machines; automatic.

mechanic; → -al.

mechanical energy
  کاروژ ِ مکانیکی   
kâruž-e mekâniki

Fr.: énergie mécanique   

The energy that is possessed by an object due to its motion or due to its position. It is equal to the sum of the → kinetic energy and → potential energy.

mechanical; → energy.

mechanical equilibrium
  ترازمندی ِ مکانیکی   
tarâzmandi-ye mekâniki

Fr.: équilibre mécanique   

1) The state of a → rigid body if, as viewed from an → inertial frame of rest: 1) the → linear acceleration of its → center of mass is zero, and 2) its → angular acceleration about any axis fixed in this reference frame is zero. The center of mass may be moving with constant velocity and the body may be rotating about a fixed axis with constant angular velocity.
2) In → thermodynamics, the state of a system in which → pressure is the same every where with no other forces acting on the system except a uniform external pressure.

mechanical; → equilibrium.

mechanical equivalent of heat
  هم‌ارز ِ مکانیکی ِ گرما   
ham-arz-e mekâniki-ye garmâ (#)

Fr.: équivalent mécanique de chaleur   

Same as → Joule's constant.

mechanical; → equivalent; → heat.

mechanical mixing
  آمیزش ِ مکانیکی   
âmizeš-e mekâniki

Fr.: mélange mécanique   

Any → mixing process that utilizes the → kinetic energy of relative → fluid motion.

mechanical; → mixing.

mechanical power
  توان ِ مکانیکی   
tavân-e mekâniki (#)

Fr.: puissance mécanique   

The → rate at which → work is done by a → force. In other words, → mechanical energy per unit time. Mechanical power is expressed in units of joules/sec (joules/s) or a watt (W) in the → mks system.

mechanical; → power.

mechanical system
  راژمان ِ مکانیکی   
râžmân-e mekâniki

Fr.: système mécanique   

1) Any system of elements that interact according to the laws of → mechanics (as distinguished from chemical, electrical, thermal, etc.).
2) A collection of → machines functioning together to achieve the transfer of motion.

mechanical; → system.

mechanical wind
  باد ِ مکانیکی   
bâd-e mekâniki

Fr.: vent mécanique   

A process in which matter is shed into a → Keplerian disk from a star rotating at the → critical velocity. The disk is probably destroyed by the pressure exerted by the stellar radiation and finally matter is lost. Such a process seems to occur around → Be stars which are stars rotating at or very near the critical limit (Meynet et al. 2007, arXiv:0709.2275).

mechanical; → wind.

mechanically
  ساز-و-کاریکانه، ساز-و-کاروارانه   
sâzokârikâné, sâzokârvârâné

Fr.: mécaniquement   

1) In a mechanical manner; by a mechanism.
2) In a machine-like manner; without feeling.

mechanical; → -ly.

mechanician
  ساز--و-کارمند، ساز-و-کار-گر   
sâzokârmand, sâzokârgar

Fr.: mécanicien   

A person skilled in constructing, working, or repairing machines; mechanic; machinist (Dictionary.com).

From → mechanic + -ian.

mechanics
  مکانیک، ساز-و-کاریک   
mekânik (#), sâzokârik

Fr.: mécanique   

A branch of → physics that deals with motion and the → action of → forces on bodies. Mechanics may be divided into three areas, → kinematics, → dynamics, and → statics.

From mechanic, from L. mechanicus, from Gk. mekhanikos "an engineer," also "inventive," literally "pertaining to machines" (adj.), from mekhane, → machine, + → -ics.

Mekânik, loan from Fr. Sâzokârik, from sokâr, → mechanism, + -ik, → -ic.

mechanism
  ساز-و-کار   
sâzokâr (#)

Fr.: mécanisme   

1) The structure or arrangement of parts of a machine or similar device, or of anything analogous.
2) The agency or means by which an effect is produced or a purpose is accomplished.

From Mod.L. mechanismus, from Gk. mekhane, → machine.

Sâzokâr, literally "making and working," from sâz "apparatus; (musical) instrument," from sâzidan, sâxtan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach") + kâr "work," from kardan "to do, to make" (Mid.Pers. kardan; O.Pers./Av. kar- "to do, make, build;" Av. kərənaoiti "he makes;" cf. Skt. kr- "to do, to make," krnoti "he makes, he does," karoti "he makes, he does," karma "act, deed;" PIE base kwer- "to do, to make").

median
  میانه   
miyâné (#)

Fr.: médiane   

Statistics: The middle value in a sample sorted into ascending order. If the sample contains an even number of values, the median is defined as the mean of the middle two.
Geometry: The line from a vertex of a triangle to the midpoint of the opposite side.

From M.Fr. médian, from L. medianus "of the middle," from medius "middle;" akin to Pers. middle, → medium, → meddle; from PIE *medhyo-, from base *me- "between;" → medium.

Miyâné from miyân, → middle, + nuance suffix.

medicine
  پزشکی   
pezeški (#)

Fr.: médecine   

The art or science of restoring or preserving health or due physical condition, as by means of drugs, surgical operations or appliances, or manipulations (Dictionary.com).

M.E. medicin, from O.Fr. medecine "art of healing, cure," from L. medicina "the healing art; a remedy," feminine of medicinus (adj.) "of a doctor," from medicus "a physician;" PIE root *med- "to measure, limit, consider, advise," → dimension; cf. Av. vi-mad- "physician;" Gk. medein "to rule;" L. meditari "think or reflect on, consider," → meditation; Ir. miduir "judge;" O.E. metan "to measure out."

Pezeški, from pezešk "physician," from Mid.Pers. bizešk "physician," bêšâz "medicinal;" Av. bišaz- "to cure, heal;" cf. Skt. bhisaj- "healer, physician."

meditate
  سگالیدن   
segâlidan (#)

Fr.: méditer   

To engage in thought or contemplation; reflect. → consider.

Back formation from → meditation.

Segâlidan "to meditate, consider, think," from Mid.Pers. uskaridan "to think, consider, discuss," from us-, → ex-, + kar- "to observe, to consider;" related to engâridan, negaristan, âgâridan, → consider.

meditation
  سگالش   
segâleš (#)

Fr.: méditation   

The act of meditating. → consideration.

From L. meditatatus p.p. of meditari "to think over, reflect, consider," from PIE root *med- "to measure, limit, consider, advise," → mode.

Verbal noun of → meditate.

<< < -es -it -sc 201 951 abe abs abs aca acc acc aco act ada adh ado aer aft air Alf alg alk alp Alt alt amb ana And ang ani ann ant ant ant apo app app Apu arc arg Arn art ass ast ast ast atm ato att aur aut avo azi bac bal bar bar bat Bea Bel bet bia big bin bio Bir bla bla blo Blu bol Boo bou box bre Bri bro bur cal cal Can cap car Car cat cau cel cen cen cha Cha cha che Chi chr cir cir civ cla clo clo CMB coa coe coh col col col com com com com com com com com Com con con con con con con con con con con con con coo cor cor cor Cos cos cos cou cou cra cri cro cry cul cur cyc D l dar dat day dea dec dec dec def def deg Del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis diu dog Dop dou Dra Dsc dus dwa dyn Dys Ear ecc eco edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ eru eth Eur eve exa exc exe exi exo exp ext ext ext fab fai Fan fea fem fer fie fil fir fir fla fli flu foc for for for fra fre fre fri fun fuz gal gal gal Gam gau Gau gen geo geo geo geo Gib glo gov gra gra gra gra gre gro Gui H-a hal Ham har Hay hea hei hel Hel her het hie hig hoa hom hor hot Hub Hug hur hyd hyd hyl hyp ice ide ima ima imp imp inc inc ind ine inf inf inf ing inn ins ins int int int int int int int int inv inv ion iro Isl iso iso Jab jet Jov Jup Kar Kep kil Kip Kra Lag Lam Lan Lar las law lea Leg Leo lev lig lim lin lin lin lit loc loc log Lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal map mas mas mat Mau mea mea med Men mer Mes Met met mic mic Mie mil min Mir mix mod mol mom Moo mor mov mul mur n-b nan nat nea neg Ner neu new New NGC noc nom non non nor nor nuc nuc nul nut obj obl obs occ oct off old one ope opp opt opt orb ord org Ori osc oth ove Owl P-s Pal par par par par Pas pat pec pen per per per per per Pha pha pho pho pho phy pie pix Pla pla pla pla Pli Poi pol pol pol pol por pos pos pow pre pre pre pre pri pri pri pro pro pro pro pro pro pro pub pul pyc qua qua qua qua qui rad rad rad rad rad rad rai ran rar Ray rea Rea rec rec red red ref ref reg rel rel rel ren res res res res ret rev Ric rig rin roc roo rot rot rur S5- Sal sat sca sca Sch sci Scu sec sec sed sel sel sem seq set sha she sho sid sie sil sim sin sit sky slo sno sod sol sol sol sol son sou spa spa spe spe spe spe sph spi spo squ sta sta sta sta ste ste ste Sti sto str str sub sub sub sul sup sup sup sup sur sur syl syn sys tal Tay tel ten ter tex the the the the Tho thr tid tim Tit too Tor tra tra Tra tra Tra tri Tri tru tub tur two Typ ult ult unc uni uni uni upl ura uti val var vec vel ver Ver vie vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>