Fr.: étoile artificielle
In → adaptive optics, a point source created on the sky by means of a laser beam in order to correct for the → atmospheric turbulence. A laser tuned to the wavelength of 589 nm will excite sodium atoms at an altitude of ~ 100 km in the Earth's atmosphere, producing an artificial "star."
panbe-ye kuhi (#), ~ nasuz (#)
A family of fibrous mineral silicates that are incombustible, resistant to chemicals, and do not conduct electricity. In the past asbestos has been widely used for a range of fireproof materials and in the building industry. Asbestos causes very serious health problems if the fibers are inhaled (bronchial cancer, laryngeal cancer, and mesothelioma).
M.E. albeston, abestus, from O.Fr. abeste, abestos, from L. asbestos "quicklime," from Gk. asbestos, literally "inextinguishable," from → a- "not" + sbestos, verbal adjective from sbennynai "to quench."
Panbe-ye kuhi, literally "mountain cotton," from panbé,
→ cotton, + kuhi "pertaining to mountains,"
from kuh, → mountain.
Fr.: monter, s'élever
1) To move, climb, or go upward; mount; rise.
Farâzidan, from farâz "above, over, aloft."
Fr.: nœud ascendant
The point in an orbit where the orbiting body crosses a reference plane, such as the ecliptic or the celestial equator, going from south to north. The celestial longitude of the ascending node is one of the elements of the orbit. → descending node.
Ascending, from ascend, from L. ascendere "to climb up," from ad- "to" + scandere "to climb." Node, from L. nodus "knot".
Gereh "knot," from Mid.Pers. grih "knot." Farâzeši, relating to farâzeš "ascension," from farâzidan "to ascend," from farâz "up, upon, upward, aloft."
The act of ascending; ascent.
A standard code or protocol for displaying → characters as numbers. Each alphabetic, numeric, or special character is represented with a 7-bit binary number (a string of seven 0s or 1s). 128 possible characters are defined. For example, the ASCII code for uppercase C is 67 and for lowercase c is 99. Most computers use ASCII codes to represent text, which makes it possible to transfer data from one computer to another.
Short for American Standard Code for Information Interchange.
The powdery residue that remains after something is burnt. → ashen light.
M.E. a(i)sshe; O.E. asce, æsce; cf. Frisian esk, Dutch asch, O.N., O.H.G. aska, Ger. Asche; akin to Gk. azein "to dry up, parch," L. arere "be dry," → arid, Skt. asa- "ashes," PIE root *as- "to burn, glow."
nur-e xâkestari (#)
Fr.: lumière cendrée
The faint glow occasionally observed on the unlit area of Venus in its crescent phase. Its cause is not known with certainty, but it might result from bombardment of atmospheric atoms and molecules by energetic particles and radiation, as with terrestrial airglow.
The apparent position of a body in the Solar System relative to the Sun, as seen from Earth. The main aspects are conjunction, greatest elongation, opposition, and quadrature.
Aspect from L. aspectus "looking, view, appearance," p.p. of aspicere "to look at," from ad- "to" + specere "to look," cognate with Gk. skeptesthai "to examine, consider," Av. spas- "to watch, look," Skt. spaz "to see, behold, look at;" PIE *spek- "to observe, look".
Nemud from nemudan "to show, demonstrate, exhibit, appear"
Fr.: expérience d'Aspect
A series of experiments carried out in the early 1980s by Alain Aspect and his colleagues that showed the violation of → Bell's inequality. Accordingly, quantum phenomena cannot be described by the → hidden variable theories, contrarily to the → EPR paradox interpretation.
Alain Aspect (1947-); → experiment. Aspect et al., 1982, Physical Review Letters, Vol. 49, No. 25 and references therein.
1) Roughness or unevenness of surface.
M.E. asperite, from O.Fr. asperité "difficulty, painful situation," from L. asperitas, from asper "rough, harsh," of unknown origin.
From zaft "thick, gross, rude," (Steingass, Dehxodâ), + noun suffix -i.
A company of persons gathered for a common reason, as for deliberation,
legislation, worship, or entertainment.
M.E. assemblee, from M.Fr., from O.Fr., from assembler "to gather together."
Hamâyeš, from ham- "together," → com- + âyeš "coming," from ây- present stem of âmadan "to come;" O.Pers. aitiy "goes;" Av. ay- "to go, to come," aēiti "goes;" cf. Skt. e- "to come near," eti "arrival;" Gk. eimi "I go," L. ire "to go, walk," eo "I go;" Tokharian AB i-; PIE *ei- "to go, to walk."
1) To give or allocate; allot.
Nešârdan, from neš, → sign, + nuance suffix -âr.
Fr.: rendez-vous, attribution
1) An appointment for a meeting.
Verbal noun of → assign.
Fr.: mission, attribution, allocation, affectation
1) An act of assigning; appointment.
Verbal noun of → assign.
Fr.: 1) associer; 2) s'associer
1) (v.tr.) To join or connect together; to bring together or into relationship in any of
various intangible ways (as in memory or imagination).
M.E. associat "associated," from L. associatus, p.p. of associare "to unite," from ad- + sociare "to join," from socius "ally, companion" ("follower"); PIE base *sekw- "to follow."
Âhazidan, from â- prefix + hazidan "to associate, accompany, follow," from Av. hac-, hax- "to associate, follow, accompany" (hacenay- "getting together, association," haxay-, hašy-, haš- "friend"), hacaiti "follows;" hacā "from, out of;" O.Pers. hacā "from" (Mid.Pers. hâz- "to lead, guide," hac "from;" Mod.Pers. az "from"); PIE base *sekw- "to follow;" cf. Skt. sac- "to be associated or united with," sácate "accompanies, follows," sácā "with;" Gk. hepesthai "to follow;" L. sequi "to follow."
associated molecular cloud
abr-e molekuli-ye âhazidé
Fr.: nuage moléculaire associé
A → molecular cloud that is physically or apparently related to a star formation region.
âhazeš; anjoman (#)
1) The act of associating, → associate;
the state of being associated.
Association, noun from → associate.
Âhazeš, verbal noun of → âhazidan→ associate. Anjoman, for the meaning 3, from Mid.Pers. anjaman, from Av. han-jamana, from han- "together" + jamana, from gam- "to come;" cf. Skt. samgamana "gathering together."
Fr.: membre d'une association
A celestial body making part of an astronomical association.
1) Of, characterized by, resulting from, or causing association.
Adj. from associate.