To derive as a conclusion from facts or premises.
L. deducere "to lead down, derive," from → de- "down" + ducere "to lead."
Foruhâxtan, foruhâzidan, from foru- "down," → de- + Mid.Pers. hâxtan, hâzidan "to lead, guide, persuade," Av. hak-, hacaiti "to attach oneself to, to join," cf. Skt. sacate "accompanies, follows," Gk. hepesthai "to follow," L. sequi "to follow;" PIE *sekw- "to follow."
1) The act or process of deducting; something that is or may be deduced.
Verbal noun from → deduce.
Of or relating to → deduction.
Fr.: raisonnement déductif
1) žarf (#), gowd (#); 2) žarfnâ (#)
Fr.: 1) profond; 2) profondeur
1a) General: Extending well inward from an outer surface or back from an edge.
O.E. deop, from P.Gmc. *deupaz, from PIE *d(e)u- "deep, hollow."
Žarf "deep;" variants Gilaki jalf, julf, jal; Tabari
jol, jal, jul; Baluci jahl, johl; Kermâni jarr "deep;"
Mid.Pers. zufr; Av. jafra- "deep."
Fr.: pose profonde
An exposure in which the detector shutter remains open for a relatively long time in order to bring out the weaker features of the observed object. In practice a deep exposure with a CCD detector is usually obtained from co-addition of shorter exposures.
Fr.: champ profond
An area on the sky whoqe im`gm is obtained with a deep exposure, such as → Hubble Deep Field.
Fr.: image profonde
An image obtained using a deep exposure to reveal the weak features of the object.
1) Failure to act; inaction or neglect; failure to meet financial obligations.
M.E. defau(l)te, O.Fr. defaute "fault, defect, failure," from V.L. *defallita "a deficiency or failure," p.p. of *defallere, from L. → de- "away" + fallere "to deceive, to cheat; to put wrong, to lead astray."
âk; kâst (#)
General: Something or a lack of something that results in incompleteness,
inadequacy, or imperfection.
From L. defectus "failure," from p.p. of deficere "to fail, desert," from → de- "down, away" + facere "to do," (cf. Fr. faire, Sp. hacer), from PIE base *dhe- "to put, to do" (cf. Av. dadaiti "he puts," Skt. dadhati "puts, places," Hitt. dai- "to place," Gk. tithenai "to put."
Âk "defect, blemish;" Mid.Pers. ak, âk "evil, harm;"
Av. aka- "bad, wicked;" cf. Skt. aka- "pain , trouble."
1) To ward off attack from; guard against assault or injury.
A person who defends someone or something.
1) Resistance against attack; protection.
Noun from → defend.
1) padâfandgar; 2) padâfandgari
1) Serving to defend; protective; of or relating to defense.
falak-e hâmel (#)
In Ptolemy's geocentric model, the circle around the Earth in which the center of the → epicycle of a body was thought to move.
Deferent, from L. deferent-, pr.p. of deferre "to carry from or down, transfer" from → de- + ferre "to carry, bear," from PIE *bher- "to bear, to carry, to take" (cf. O.Pers./Av. bar- "to bear, carry," barəθre "to bear" (infinitive), Mod.Pers. bordan, bar- "to carry," Skt. bharati "he carries," Gk. pherein "to carry").
Falak-e hâmel, from Ar. falak "heaven; orbit, sphere" + hamil "carrier."
Fr.: rétention de charge
In a CCD detector, phenomenon caused by charge traps or potential pockets, which prevent electrons from being released to the adjacent pixel; eventually the electrons may be released in a subsequent cycle.
Differed, p.p. of differ, from O.Fr. différer, from L. differre "set apart, put off, delay," also "be different, differ," → differ; → charge.
Bâr→ charge; bâzdâšté "prevented," p.p. of bâzdâštan, from preventive suffix bâz- + dâštan "to hold, have, maintain," Mid.Pers. dâštan, O.Pers./Av. root dar- "to hold, keep back, maitain, keep in mind," Skt. dhar- "to hold, keep, preserve," dharma- "law," Gk. thronos "elevated seat, throne," L. firmus "firm, stable," Lith. daryti "to make," PIE *dher- "to hold, support."
maxeš, kami (#)
Noun from → deficient.
1) Lacking some element or characteristic; defective.
Maxeš, from (Dehxodâ) max "missing; vanished; annihilated," variant (Nâyini) mak "missing;" maybe ultimately from Proto-Ir. *maiH- "to fade, damage, to harm;" cf. Av. (+ *ui-) vīmiti- "loss, destruction;" O.Pers. mīθah- "damage, harm;" Mid.Pers. myh-g'r "damage, harm;" Sogdian ''m'yk "dirt, mixture," 'myq "taint, infection;" Ossetic mynæg, minæg "weak, dim, fading;" Skt. mayi "to damage, to lessen;" Gk. minytho "to diminish, to lessen;" L. minuoere "to diminish, to lessen," minor "smaller, less;" PIE root *meiH- "to lessen, diminish" (Cheung 2007).