Fr.: temps profond
The time-scale of geologic processes which is millions or billions of years in contrast to the few thousand years claimed by supporters of the → creationism. The concept of "deep time" was first described in 1788 by the Scottish geologist James Hutton (1726-1797) in the Transactions of the Royal Society of Edinburgh. The term was coined by the American author John McPhee (1931-).
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).
1) To state or set forth the meaning of (a word, concept, etc.).
From O.Fr. définir "to end, determine," from L. definire "to limit, determine, explain," from → de- + finire "to bound, limit," from finis "boundary."
Hedâridan, infinitive from Semnâni hedâr "boundary (between pieces of lands)," Tabari hedâri "boundary, border," may be related to Av. haêtav- "dam, dike," Skt. setu- "a ridge of earth, bank, dike, dam, bridge."
1) Clearly characterized or fixed.
P.p. of → define.
Clearly defined or determined; having fixed limits. → definite integral.
From L. definitus "limited, precise," p.p. of definire, → define.
Hedârmand from hedâr, stem of hedârdan, → define, + -mand possession suffix.
Fr.: intégrale définie
An integral with upper and lower limits.
1) The act or process of establishing some value or condition with precision.
Verbal noun of → define.
Most reliable or complete (as of a text, author, criticism, study, judgement, or the like) that serves as a standard or reference point.
M.E., from O.Fr., from L. definitivus, from definit(us)→ definite + -ivus a suffix of adjectives.
Hedârâ, adj., from hedâr present stem of hedâridan→ define + adj. suffix -â.
Fr.: faire une déflagration, s'enflammer
To burn suddenly and violently with great heat and intense light. → deflagration.
From L. deflagratus, p.p. of deflagrare "to burn down," from → de- + flag(rare) "to blaze, glow, burn" (L. fulgur "lightning;" PIE *bhleg- "to shine;" cf. Gk. phlegein "to burn, scorch," Skt. bhárgas- "radiance, lustre, splendour," O.E. blæc "black") + -atus "-ate"
Taškaftidan, from taš "fire," variant of âtaš→ fire + kaftidan "to explode," → explode.
A rapid → chemical reaction in which the → output of → heat is enough to enable the reaction to proceed and be accelerated without input of heat from another source. The effect of a true deflagration under confinement is an → explosion. See also: → detonation; → explosion.
Verbal noun of → deflagrate.
To bend or turn aside; turn from a true course or straight line.
From L. deflectere "to bend down, turn aside," from → de- "away" + flectere "to bend, turn."
Vâcaftidan, vâcaftan, from vâcaft, from vâ- "away," → de- + caft "bent, curved, crooked," variants cafté, jafté, jaftâ.