ordinary differential equation
hamugeš-e degarsâneyi-ye šunik
Fr.: équation différentielle ordinaire
Fr.: point ordinaire
The point M0(x0,y0) of the curve F(x,y) = 0, where at least one of the partial derivatives ∂F/∂x and ∂F/∂y does not vanish. → singular point
Fr.: rayon ordinaire
Fr.: année ordinaire
Math.: In plane Cartesian coordinates, the distance of a point from the x-axis measured parallel to the y-axis. → abscissa.
Ordinate, from N.L. (linea) ordinate (applicata) "(line applied) in order;" from ordinatus "arranged."
Ârâ, from ârâstan "to arrange, to set in order, adorn," Mid.Pers. ârây-, ârâstan "to arrange, adorn;" O.Pers. rās- "to be right, straight, true," rāsta- "straight, true" (Mod.Pers. râst "straight, true"), rād- "to prepare;" Av. rāz- "to direct, put in line, set," razan- "order;" Gk. oregein "to stretch out;" L. regere "to lead straight, guide, rule," p.p. rectus "right, straight;" Skt. rji- "to make straight or right, arrange, decorate;" PIE base *reg- "move in a straight line."
A natural deposit containing a mineral of an element to be extracted.
Ore, merger of M.E. ore, O.E. ora "ore, unworked metal" and M.E. or(e) "ore, metal," O.E. ar "brass, copper, bronze" (cf. O.N. eir "brass, copper;" Ger. ehern "brazen;" Erz "oar;" Goth. aiz "bronze;" O.H.G. ēr "ore"), from PIE *aus- "gold;" cf. Mod/Mid..Pers. âhan "iron;" Av. aiianhaēna- "made of metal," from aiiah- "metal;" Skt. áyas- "iron, metal;" L. aes "brass"
Kâné, from kân "mine," from kandan "to dig" (Mid.Pers. kandan "to dig;" O.Pers. kan- "to dig," akaniya- "it was dug;" Av. kan- "to dig," uskən- "to dig out" (→ ex- for prefix us-); cf. Skt. khan- "to dig," khanati "he digs").
1) andâm; 2 org; 3, 4) orgân
Fr.: 1, 3, 4) organe; 2) orgue
1) Biology: A structure consisting of tissues and performing
some specific function in an organism, e.g. the heart, kidneys, liver, stomach.
O.E. organe, from O.Fr. orgene "musical instrument," from L. organa, pluriel of organum, from Gk. organon "implement, musical instrument, organ of the body," literally "that with which one works," from PIE *werg-ano-, from base *werg- "to do, to work" related to Gk. ergon "work" (cf. Av. varəz- "to work, do, perform, exercise;" Mod.Pers. varz-, varzidan "to labor, exercise, practise;" Arm. gorc "work;" Lith. verziu "tie, fasten, squeeze," vargas "need, distress;" Goth. waurkjan; O.E. wyrcan "work," wrecan "to drive, hunt, pursue").
1) Andâm, from Mid.Pers. handam "member, limb;" Av. handāma-
"limb;" from Proto-Iranian *ham-dāman-, from prefix ham-→ com- + *dāman- "created;" Av. dā-
"to give, grant; to put; to create; to determine"
(O.Pers./Av. dā- "to give, grant, yield,"
dadāiti "he gives;" Mod.Pers. dâdan "to give;" cf.
Skt. dadáti "he gives;"
Gk. tithenai "to place, put, set," didomi "I give;"
L. dare "to give, offer," facere "to do, to make;"
Rus. delat' "to do;" O.H.G. tuon, Ger. tun,
O.E. don "to do;" PIE base *dhe- "to put, to do");
cf. Skt. sandháy- "joint, articulation."
1) orgânik, âli; 2) sâzmândâr; 3) orgânik
1) Of, relating to, or derived from living organisms: organic matter.
1) Orgânik, loan from Fr.; âli loan from Ar.; 2) sâzmândâr, from sâzmân, → organization, + dâr "having, possessor" (from dâštan "to have, to possess," Mid.Pers. dâštan, O.Pers./Av. root dar- "to hold, keep back, maitain, keep in mind," Skt. dhr-, dharma- "law," Gk. thronos "elevated seat, throne," L. firmus "firm, stable," Lith. daryti "to make," PIE *dher- "to hold, support").
šimi-ye orgânik, ~ âli
Fr.: chimie organique
The study of compounds that contain carbon chemically bound to hydrogen.
Fr.: molécule organique
A molecule that is normally found in or produced by living systems. Organic molecules typically consist of carbon atoms in rings or long chains, where other atoms (e.g. hydrogen, oxygen, and nitrogen) are attached, except for → carbon monoxide (CO) and → carbon dioxide (CO2), etc.
A living individual composed of mutually interdependent parts that
maintain various vital processes.
From → organ + -ism a suffix appearing in loanwords from Gk. denoting several senses, among which state or condition, principles, doctrines.
Sâzvâré, from sâz present stem of sâxtan, sâzidan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach") + -vâré, from -vâr a suffix meaning "resembling, like" (from Mid.Pers. -wâr; Av. -vara, -var; cf. Skt. -vara).
1) The act or process of organizing.
M.E. organizacion, from M.L. organization-, from organizatus p.p. of organizare "organize" + -ate.
Sâzmân, from sâz present stem of sâxtan, sâzidan
"to build, make, fashion; to adapt, adjust, be fit" (from
Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare,
to form;" Av. sak- "to understand, to mark,"
sâcaya- (causative) "to teach") + -mân verbal noun suffix
used with present and past stems, as in zâymân, câymân;
sâzmân dâdan, sâzmânidan
To form as or into a whole consisting of interdependent or coordinated parts.
Sâzmân dâdan, from sâzmân, → organization, + dâdan "to give" (O.Pers./Av. dā- "to give, grant, yield," dadāiti "he gives;" Skt. dadáti "he gives;" Gk. tithenai "to place, put, set," didomi "I give;" L. dare "to give, offer," facere "to do, to make;" Rus. delat' "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do;" PIE base *dhe- "to put, to do"); sâzmânidan, from sâzmân + -idan infinitive suffix.
1) xâvar; 2) su dâdan; su yâftan
Fr.: 1) orient; 2) orienter; s'orienter
1) East. The countries of Asia, especially East Asia.
M.E., from O.Fr. orient "east," from L. orient-, oriens rising sun, east," from pr.p. of oriri "to rise," cognate with Pers. ras-, rasidan "to arrive;" O.Pers./Av. rasa- present stem of ar- to move, go or come forward;" cf. Skt. ar- "to reach, come toward, meet with," rccháti "reaches;" Gk. erkhomai "to go, to reach."
1) Xâvar, → east.
1) su (#); 2) sudahi (#); suyâbi (#)
1) The position in relation to a specific place or object.
Verbal noun of → orient.
1) General: The beginning or starting point.
M.E., from L. origin-, origo "beginning, source, lineage," from oriri "to rise," cognate with Pers. ras-, rasidan "to arrive;" O.Pers./Av. rasa- present stem of ar- to move, go or come forward;" cf. Skt. ar- "to reach, come toward, meet with," rccháti reaches;" Gk. erkhomai "to go, to reach."
Xâstgâh, from xâst past stem of xâstan, xizidan "to rise, get up" (Mid.Pers. xyz- "to stand up, rise;" Proto-Iranian *xiz- "to rise, ascend; increase") + -gâh suffix of time and place (Mid.Pers. gâh, gâs "time;" O.Pers. gāθu-; Av. gātav-, gātu- "place, throne, spot;" cf. Skt. gâtu- "going, motion; free space for moving; place of abode;" PIE *gwem- "to go, come").
Šekârgar (#), Orion (#)
The Hunter. A prominent constellation, one of the largest in the sky, located on the celestial equator around 5h 30m right ascension, 0° declination. This constellation is rich in bright stars and nebulae. The brightest star is Rigel (β Orionis), visual magnitude 0.2. The second brightest star is → Betelgeuse (α Orionis), magnitude between 0.2 and 1.0. A key feature of Orion's constellation is his Belt of three bright stars that form a nearly straight line across its central parts. It contains also the → Orion Nebula, the only region of massive star formation visible to the unaided eye.
In Gk. mythology, Orion was a giant hunter and the enemy of Artemis the huntress, who according to some tales was responsible for his death. Other stories, though, tell how he pursued the Pleiades and with them was turned into a constellation to chase them forever across the sky.
Šekârgar, "→ hunter."
bâzu-ye Šekârgar, ~ Orion
Fr.: bras d'Orion
A minor → spiral arm of the → Milky Way Galaxy close to which the → Sun is located. It is some 3,500 → light-years across and approximately 10,000 light-years in length. The solar system lies close to the inner rim of this spiral arm, about halfway along its length. Its name derives from the fact that the stars closest to the Sun which actually lie within the arm are in the constellation → Orion. Its other designations are → Local Arm, → Local Spur, → Orion Bridge, → Orion Spur, and → Orion-Cygnus Arm.
âhazeš-e Šekârgar, ~ Orion
Fr.: association d'Orion
mile-ye Šekârgar, ~ Orion
Fr.: barre d'Orion
A part of a → molecular cloud toward the → Orion Nebula viewed edge-on. It is the surface of interaction between the → H II region and its → associated molecular cloud. Same as the → Orion Bright Bar.