Fr.: abondance totale
Same as → elemental abundance.
Fr.: éclipse totale
Fr.: énergie totale
The sum of all forms of energy involved in a system.
Fr.: fonction totale
A function whose value is defined for all possible input values.
Fr.: gravité totale
total internal reflection
bâztâb-e hamâk-e daruni
Fr.: réflexion totale interne
A phenomenon occurring when a light ray traveling cross an → interface from a higher → refractive index medium to a lower refractive index medium hits the interface at an angle larger than the → critical angle. In these conditions the light will not pass through to the second → medium at all. Instead, all of it will be reflected back into the first medium.
total lunar eclipse
Fr.: éclipse lunaire totale
A → lunar eclipse when the entire → Moon passes through the Earth's → umbra. The maximum duration of a total lunar eclipse is 1h 47m. It happens when the Moon crosses the umbra at its → apogee, where it moves the most slowly, and the Earth is at its → aphelion. The longest total lunar eclipse of the 21st century, lasting 1h 42m 59s, occurred on the night of 27 to 28 July 2018 (Europe, Africa, Asia, Australia, and New Zealand). See also → tetrad.
Fr.: pression totale
1) Of or relating to a centralized government that does not tolerate parties of
opinion and that exercises dictatorial control over many aspects of life.
1) The practices and principles of a totalitarian regime.
The period during a → solar eclipse when the → Sun is completely blocked by the → Moon. Totality for a → lunar eclipse is the period when the Moon is in the complete → shadow of the → Earth. For a solar eclipse totality can last from only several fractions of a second to a theoretical maximum of 7m 31s, depending on the → distance from the Moon to the Earth. For a lunar eclipse totality can last up to 1h 47m, also depending on the distance from the Moon to the Earth and on its → passage through the shadow. See also → totality path.
pah-e hamâki, gozargâh-e ~
Fr.: ligne de totalité
Of a → solar eclipse, the path of the → umbra across the → Earth. The totality path is usually about 100 km across, but under the most favorable conditions, when the → Moon is at its nearest → distance to Earth and the Earth is at its farthest distance from the Sun, the umbra can have a diameter of about 270 km.
1) basâvidan (#); 2) basâveš
1a) To put the hand, finger, etc., on or into contact with (something) to feel it.
M.E. to(u)chen, from O.Fr. tochier "to touch, hit; deal with" from V.L. *toccare "to knock, strike" as a bell.
Basâvidan, ultimately from Proto-Ir. *apa-sau-, from *sau- "to rub;" cf. Sogdian ps'w- "to touch;" Pers. + sâyidan, variants sâbidan, sudan "to bruise, file, touch" pasâvidan "to touch" (Khotanese sauy- "to rub."
A building or structure taller than its diameter and high relative to its surroundings, either separated or forming part of a building.
From M.E. tour, earlier tur, tor, from O.Fr., from L. turris, from Gk. tyrris "tower."
Borj "tower," related to Pers. borz "height, magnitude, greatness," boland "high," bâlâ "up, above, high, elevated, height," Laki dialect berg "hill, mountain;" Mid.Pers. burz "height," buland "high;" O.Pers. baršan- "height;" Av. barəz- "high, mount," barezan- "height;" cf. Skt. bhrant- "high;" L. fortis "strong" (Fr. and E. force); O.E. burg, burh "castle, fortified place," from P.Gmc. *burgs "fortress;" Ger. Burg "castle," Goth. baurgs "city," E. burg, borough, Fr. bourgeois, bourgeoisie, faubourg; PIE base *bhergh- "high;" borj loaned into Ar. from Mid.Pers. as burj.
durbin-e borji, teleskop-e ~
Fr.: télescope vertical, tour solaire
An object, often a representation of something, that a child can play with
M.E. toye, of unknown origin.
Bâzicé, from bâzi "game, play;" Mid.Pers. wâzig "play, game;" related to bâzidan "to play," bâxtan "to loose;" cf. Skt. vāja- "contest, war, prize, booty;" + -cé suffix of relation.
A simplified model that succeeds in capturing and furthering our understanding of one particular aspect of a physical situation, but which does not manage to describe all important aspects of that situation (Carl H. Brans).
1) malé; 2) malidan
Fr.: 1) trace; 2) suivre la trace
1a) A surviving mark, sign, or evidence of the former existence,
influence, or action of some agent or event; vestige.
M.E. tracen, from M.Fr. tracier, from V.L. *tractiare "delineate, score, trace," from L. tractus "track, course," literally "a drawing out," from p.p. stem of trahere "to pull, draw."
Gilaki mâle "mark, trace, fingerprint; scar," pâ mâle "footprint," gaz mâle "bite mark;" Aftari mâl "trace, mark," pae mâl "footprint," ponjé mâl "mark of hand with fingers;" Tabari mâl "mark, trace," ling mâl "footprint," probably related to mâlidan "to touch, rub; besmear;" Mid.Pers. mâlih- "to be touched;" (Gurâni) mâl, mâlâ- Xunsâri mâl-/mâlâ "to smear, stroke."
Fr.: élément trace, oligo-élément
Any → chemical element that is found in extremely small amounts, especially one used by organisms and held essential to maintain proper physical functioning.
trace of a matrix
Fr.: trace de matrice