adasi-ye vâgerâ (#)
Fr.: lentille divergente
A lens which causes a parallel beam of light passing through it to diverge or spread out; concave lens. Same as diverging lens and → negative lens.
1) Differing from one another.
Gunâgun, literally "of different kinds, sorts, species," from gun "kind, species, sort."
The state or fact of being diverse; difference; unlikeness.
A number which is to be divided by another number (→ divisor). Example: 36 in the expression 36 : 9 = 4.
From L. dividendum "thing to be divided," → division.
Bâxši, from bâxš, → division.
1) baxš; 2) šekâf
1) The act or process of dividing; state of being divided.
From O.Fr. division, from L. divisionem (nom. divisio), from divid-, stem of dividere "to cleave, distribute," from → dis- "apart" + -videre "to separate," from PIE base *widh- "to separate."
1) Baxš "portion, part, division," baxšidan "to divide,
distribute, grant;" Mod./Mid.Pers. baxt "fortune, fate," baxtan, baxšidan
"to distribute, divide," bâq "garden," initially "piece or patch of land,"
baq "god, lord;" Av. bag- "to attribute, allot, distribute,"
baxš- "to apportion, divide, give to,"
baxta- "what is allotted (luck, fortune),"
baxədra- "part, portion," baγa- "master, god;"
O.Pers. bāji- "tribute, tax;" cf. Skt. bhaj- "to share, divide,
distribute, apportion," bhájati "divides," bhakta- "allotted; occupied
with; a share; food or a meal, time of eating?" pitu-bháj-
"enjoying food;" Gk. phagein"to eat (to have a share of food)";
PIE base *bhag- "to share out, apportion."
Fr.: signe de division
A symbol placed between two quantities (dividend and the divisor) to indicate the division of the first by the second. The division sign is written as a horizontal line with dot above and dot below, ÷ (→ obelus), or a slash or horizontal line.
A number by which another number, the → dividend, is divided.
DO white dwarf
sefid kutule-ye DO
Fr.: naine blanche DO
A → white dwarf whose spectrum shows strong lines of singly ionized helium He II; He I or H may be present. As a DO star cools, the He II will recombine with free electrons to form He I, eventually changing the DO type into a DB white dwarf.
1) dapé; 2) dapidan
Fr.: 1) document; 2) (se) documenter
1) A written or printed paper furnishing information or evidence, as a passport,
deed, bill of sale, or bill of lading; a legal or official paper.
M.E., from O.Fr. document "written evidence," from L. documentum "example, proof, lesson," in M.L. "official written instrument," from docere "to show, teach," cognate with Av. daē- "to show," Pers. andišidan, → think.
Dapé, from Mid.Pers. dib, dip "document;" O.Pers. dipī- "inscription;" related to dabir, → secretary; dapidan, infinitive from dap, dapé.
1) Pertaining to, consisting of, or derived from documents.
1) The use of documentary evidence.
1) A specific tenet or doctrine authoritatively laid down, as by a church.
L. dogma "philosophical tenet," from Gk. dogma "opinion, tenet," literally "that which one thinks is true," from dokein "to seem good, think," cognate with Pers. andišé "thought," dis, → form.
Kiš "dogma, religion," from Mid.Pers. kêš "religion, faith, dogma;" Av. tkaēša- "teaching," kaeš-, kaš- "to teach;" PIE *kweis- "to observe, see" (Cheung 2007).
kišnâk, kišmand, kišvar
1) Of, pertaining to, or of the nature of a dogma or dogmas; doctrinal.
1) Math.: The set of x values that can go into a function f(x).
Compare with → codomain and
From M.Fr. domaine "domain, estate," from O.Fr. demaine "lord's estate," from L. dominium "property, dominion," from dominus "master of a household," from domus "house;" cognate with Pers. dam, as below; Gk. domos "house;" O.C.S. domu , Russ. dom "house;" Lith. dimstis "enclosed court, property;" O.E. timber "building, structure"); PIE base *dem-/*dom- "to build."
Daman, from Av. dəmāna- "house," dami "in the house;" cf. Sogd. δmān "house;" Mod.Pers. dam "wealth, means of comfort" (often as dam o dastgâh); "threshold, doorway;" Gilaki dâmana "ceiling;" Sariqoli waδem, Yazghulami wəδem "ceiling;" Skt. dám- "house;" Proto-Iranian *damH- "to build;" Gk. demo "I build;" L. domus "house," as above.
Fr.: paroi de domaine, mur ~ ~
A vault, having a circular plan and usually in the form of a portion of a sphere,
that shelters an optical telescope.
From Fr. dôme, from Gk. doma "house, housetop," related to domos "house" (PIE *domo-/*domu- "house, household;" cf. Av. dam-, dəmāna- "house," Skt. dám- "house," Gk. doma "house," L. domus "house," Rus. dom "house," Lith. dimstis "enclosed court, property," O.E. timber "building, structure").
Mid.Pers. gumbat, gônbat.
Fr.: volet de coupole
One of small covers that can be moved along the dome slit to vary the slit size.
Fr.: fermeture de fente
A pair of rolling lids that are used to open or close the dome slit.
Bastâr, from bast, past tense stem of bastan + -âr. Bastan, from Mid.Pers. bastan/vastan "to bind, shut," Av./O.Pers. band- "to bind, fetter," banda- "band, tie," Skt. bandh- "to bind, tie, fasten," PIE *bhendh- "to bind," cf. Ger. binden, E. bind, → band. The suffix -âr creates creates agent nouns; → dome.
Fr.: fente de coupole
An opening along the spherical body of a dome through which an optical telescope can observe.
Fr.: coefficient dominant