multiwire proportional chamber
otâqak-e besyâr-sim-e barpâreši
Fr.: chambre proportionnelle multifils
Same as → Charpak's detector.
A short-lived → elementary particle with negative → electric charge, represented by the symbol μ-. The muon was discovered in 1936 by Carl Anderson (1905-1991) in → cosmic rays. It shares several properties with the electron: it is a → lepton with the same charge and → spin as the electron. But it is heavier than the electron (105 MeV/c2), about 200 times more massive. The muon is instable and decays after 2.197 × 10-6 s into → electron, → neutrino, and → antineutrino (μ-→ e- + νμ + anti νe) .
A shortening of mu meson, from mu the 12th letter of the Gk. alphabet, + → meson.
Fr.: télescope muonique
An → instrument used in → geophysics to determine the average → density of geological bodies by measuring the → attenuation produced by → rocks on the flux of → atmospheric muons. This density muon → radiography is or example used to study the physical conditions inside → volcanoes.
Of, relating to, or resembling a wall.
From M.Fr. muraille, from L. muralia, neut. pl. o f muralis "of a wall," from murus "wall."
Divâri "of a wall," from divâr "wall," from Mid.Pers. dîvâr "wall;" related to Mid.Pers. bâr, var "enclosure, defences, fortress;" Mod.Pers. bâru "wall, rampart, fortification; fort; tower;" O.Pers. didā- "wall, stronghold, fortress;" Av. var- "castle," from var- "to cover, conceil;" Proto-Iranian *dida-vāra-; cf. Skt. dehī- "wall;" Gk. teikhos "wall;" E. dike, ditch.
Fr.: instrument mural
An angle measuring device mounted on or built into a wall. For astronomical purposes, these walls were oriented so they lie precisely on a meridian.
cârakân-e divâri (#)
Fr.: quadrant mural
A → mural instrument used to determine stellar positions. The quadrant consisted of a wall supporting a 90° graduated arc carefully oriented to the meridian. By means of a movable arm equipped with a sight, the altitude of a star could be determined at meridian passage.
1) qané; 2) qané kardan, âqandan
Fr.: 1) meurtre; 2) assassiner
1) The crime of unlawfully killing a person especially with malice aforethought.
M.E., from O.E. morðor "secret killing of a person, unlawful killing;" cf. O.Sax. morth, O.Fris. morth, O.Nor. morð, M.Du. moort, Du. moord, Ger. Mord "murder;" akin to Pers. mordan, marg, → death.
Qané, from Av. -γna- "slaying, strike;" Skt. ghana- "slaying;" Gk. phonos "murder;" Proto-Ir. *gan- "to strike to;" (Zazaki Kor) gin- "to strike, hit;" Ossetic (I.) qæn, (D.) ænæ "wound, fracture," also (D.) "guilt, transgression;" PIE *gwhono- "slaying."
Fr.: meurtrier, assassin
One who murders; especially : one who commits the crime of murder (Merriam-Webster).
Having the purpose or capability of murder. Characterized by or causing murder or bloodshed (Merriam-Webster).
The Fly. A minor constellation in the south → circumpolar region, lying south of → Crux, at 13h right ascension, 70° south declination. Its brightest star is of magnitude 2.7. Abbreviation: Mus; genitive: Muscae.
L. musca "fly" (Fr. mouche); Gk. muia "fly;" O.H.G. mucka "mosquito;" from PIE base *mu-.
Magas "a fly" (dialectal Aftari maqes; Tabari maqez, mahaz, maxši; Kurd. mêš, megez); Mid.Pers. magas, maxs "fly;" Av. maxši- "fly, mosquito;" cf. Skt. maśáka-, maks- "fly, mosquito;" PIE base *mako-.
A sudden, random change in the genetic material of a cell. → commute.
From L. mutationem (nominative mutatio) "a changing," from mutatus, p.p. of mutare "to change," from PIE base *mei- "to change, go, move;" cf. Av. miθô "inverted, false," miθaoxta- "wrong spoken;" Skt. methati "changes, alternates, joins, meets," mith- "to alternate, meet," mithás "opposite, in opposition;" L. meare "to go, pass," mutuus "done in exchange;" Goth. maidjan "to change;" E. prefix mis- (in mistake).
Muteš, verbal noun of mutidan, from L. mutare, cognate with Av. miθô, as above, + -idan infinitive suffix.
Possessed, experienced, performed, etc., by each of two or more with respect to the other; reciprocal.
M.E., from M.Fr. mutuel, from L. mutu(us) "reciprocal, done in exchange," from PIE base *mei- "to change," → mutation.
Dosuyé from do, → two, + su "side, direction," from Mid.Pers. sôk "direction, side" + nuance suffix -é.
Fr.: mutuellement exclusif
A vision defect commonly referred to as nearsightedness. The defective condition results when the image of a distant object is focused in front of the retina by the relaxed eye. It can be corrected by introducing a negative lens in front of the eye.
L., from Gk. myopia "near-sightedness," from myops "near-sighted," from myein "to shut" + ops (genitive opos) "eye."
Nazdikbini, noun from nazdikbin "near-sighted," from nazdik "near," from nazd "near" + -ik, → -ic (Mid.Pers. nazd, nazdik; Av. nas- "to come near, approach, reach," nazdišta- "nearest, next," nazdyo "nearer to;" cf. Skt. nas- "to approach, to reach") + bin "to see; seer" (present stem of didan; Mid.Pers. wyn-; O.Pers. vain- "to see;" Av. vaēn- "to see;" Skt. veda "I know;" Gk. oida "I know," idein "to see;" L. videre "to see;" PIE base *weid- "to know, to see").
1) Full of, characterized by, or involving mystery.
1) šârdé; 2) šârdenâk
M.E. mysterie, from L. mysterium "secret rite, secret worship; a secret thing," from Gk. mysterion "secret rite or doctrine," from mystes "one who has been initiated," from myein "to close, shut."
Šârdé, from Laki šârd "concealed, hidden, secret," âšârden "to hide, conceal;" cf. Kurd. hašâr, hâšâr "hidden, concealed," šârdinawa, šârây "to hide," Kâzeruni ker "hidden," Av. sar- "shelter;" Proto-Ir. *sar- "to conceal, hide;" Skt. śárman- "cover, protection;" L. celare "to conceal from view;" Goth. huljan "to cover, conceal;" O.H.G. helan "to hide;" E. helmet; PIE *kel- "to conceal, hide, cover."
1) šârdeâmiz, šârdegin; 2) šârdevarz, šârde-bâvar
1a) Involving or characterized by esoteric, otherworldly, or symbolic practices
or content, as certain religious ceremonies and art; spiritually significant; ethereal.
M.E. mystik, from O.Fr. mistique "mysterious, full of mystery," from L. mysticus, from Gk. mystikos "secret, mystic, connected with the mysteries," from mystes "an initiate into the mysteries," + -ikos, → -ic.
1) The beliefs, ideas, or mode of thought of mystics.
The act of mystifying or the condition of being mystified.
1) To confuse, bewilder, or puzzle.