mean sidereal time
zamân-e axtari-ye miyângin (#)
Fr.: temps sidéral moyen
The hour angle of the mean equinox for a given observer.
mean solar day
ruz-e xoršidi-ye miyângin (#)
Fr.: jour solaire moyen
The average length of the apparent solar day. In other words, the interval between successive transits of the mean Sun for a given observer.
mean solar time
zamân-e xoršidi-ye miyângin (#)
Fr.: temps solaire moyen
The time since the mean Sun crossed the meridian with 12 hours added to make the day begin at midnight.
Fr.: spectre moyen
A plot of the mass-to-charge ratio of elementary particles, sorted by their isotopic mass.
xoršid-e miyângin (#)
Fr.: Soleil moyen
A hypothetical Sun that moves along the ecliptic at a uniform rate equal to the average motion of the real Sun.
Fr.: terme moyen
mean value theorem
farbin-e arzeš-e miyângin
Fr.: théorème des accroissements finis
1) If f(x) is a continuous function on the interval from a to b, then:
Fr.: sens, signification
M.E., from mean; O.E. mænan "to mean, intend, signify" (cf. O.Fris. mena "to signify," O.S. menian "to intend, signify," M.Du. menen, Du. meenen, Ger. meinen "think, suppose"), related to Pers. maneš "disposition, temperament," mênidan "to think, consider," → idea; + → -ing.
Cemâr, from cem or cim "meaning, signification;" Mid.Pers. cim "meaning, reason, cause;" ultimately from Proto-Ir. *cahmāt "wherefore?" cf. Skt. kasmāt "why, where from? whence?," kim "what? how? why?" + âr short form of âvar present stem of âvardan "to cause or produce; to bring," → production, as in bonâr, → cause, used also as a nuance suffix; see also the verb → mean.
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
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."
1) The act of measuring; a measured quantity.
Verbal noun of → measure.
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.
A person who repairs and maintains machinery, motors, etc. (Dictionary.com). Same as → mechanician.
1) Of, connected with, produced by → mechanics.
Fr.: énergie mécanique
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.
mechanical equivalent of heat
ham-arz-e mekâniki-ye garmâ (#)
Fr.: équivalent mécanique de chaleur
Same as → Joule's constant.
Fr.: mélange mécanique
tavân-e mekâniki (#)
Fr.: puissance mécanique
Fr.: système mécanique
1) Any system of elements that interact according to the laws of
→ mechanics (as distinguished from chemical,
electrical, thermal, etc.).
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).