Ursa Minor system
râžmân-e Xers-e Kucak
Fr.: galaxie naine d'Ursa Minor
A dwarf spheroidal galaxy of faint luminosity that is a member of the Local Group.
An → impact cratrer on → Ceres which is the third largest crater on this → dwarf planet. Urvara is located south of → Occator and is about 160 km wide and 6 km deep. It has a prominent central peak that is about 3 km high.
Named for the ancient Indo-Iranian personification of fertility, Av. urvarā- "plant," often defied, Skt. urvárā- "land, soil, fertile field."
A person who uses or exploits something, such as a computer.
From use; M.E. usen from O.Fr. user "to use, employ," from V.L. *usare "to use," from L. uti "to use."
Kârbar "user," from bé kâr bordan "to use."
Fr.: comité des utilisateurs
A committee whose members represent the astronomers who use the facilities of an observatory and which is intended to improve the interaction between the observatory and the users.
Komité, loan from Fr.; kârbarân plural of kârbar→ user.
1) Of, relating to, or in the interests of utility.
Coined by Jeremy Bentham (1748-1832) from → utility + -arian.
Philosophy: A doctrine according to which the virtue of a thing or an action is determined by its utility. The goal of utilitarian ethics is to promote the greatest happiness for the greatest number of people. The founders of this philosophical school were Jeremy Bentham (1748-1832) and James Mill (1773-1836).
1) hudemandi; 2) hudemand
Fr.: 1) utilité; 2) utilitaire
1) The state or quality of being useful; usefulness.
M.E. utilite, from O.Fr. utilite "usefulness," earlier utilitet, from L. utilitatem "usefulness, profit," from utilis "usable," from uti "to use."
Hudemandi, from hudemand "utile," from hudé "use" (as in bihudé "useless, vain, absurd"), from Mid.Pers. hudâg "good, useful, beneficent;" Av. hūdā- "doing good, producing wealth," from hū-, hu-, → eu-, + Av./O.pers. dā- "to give, grant, put," dadāiti "he gives;" Mid.Pers./Mod.Pers. dâdan "to give, put" (cf. Skt. dadáti "he gives;" Gk. tithenai "to place, put, set," didomi "I give;" L. dare "to give, offer;" Rus. delat' "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do;" PIE base *dhe- "to put, to do") + -mand(i)
Fr.: logiciel utilitaire
A part of the system software designed to support the operation of application software and is used to manage the computer files. Examples of utility software are disk diagnosis program, backup software, password generation software, and virus protection software. Also called utilities.
The act or process of utilizing.
Verbal noun of → utilize.
To make practical or worthwhile use of.
From Fr. utiliser, from It. utilizzare, from utile "usable," from L. utilis "usable," from uti "to use."
Hudidan, from hudé, hudag "use," → utility, + -idan.
dašt-e nâkojâ, ~ nâkojâ âbâd
Fr.: Utopia Planitia
A → plain in the northern hemisphere of Mars that was chosen as the landing site of the Viking II space probe on September 3, 1976.
Mod.L. Utopia, literally "nowhere," coined by Thomas More (1516), from Gk. ou "not" + topos "place;" planitia, from planus, → plain.
Dašt, → plain; nâkojâ "nowhere," from nâ-, → un-, + kojâ "where?; a place;" Mid.Pers. kugiyâg, from kū "where; that; than" + giyâk "place" (O.Pers. ā-vahana- "place, village;" Av. vah- "to dwell, stay," vanhaiti "he dwells, stays;" Skt. vásati "he dwells;" Gk. aesa (nukta) "to pass (the night);" Ossetic wat "room; bed; place;" Tokharian B wäs- "to stay, wait;" PIE base ues- "to stay, live, spend the night"); nâkojâ âbâd literally "city of nowhere, habitation of nowhere," from nâkojâ, as explained, + âbâd "city; habitation; cultivated" (Mid.Pers. âpât, âpâtân "cultivated, inhabitated;" Proto-Iranian *ā-pāta- "protected," from prefix ā + pā- "to protect, guard" (Mod.Pers. pâyidan), → observe.
Fr.: prononcer, proférer, pousser
1) To give audible expression to; speak or pronounce.
M.E. outren from M.Du. uteren or M.L.G. utern "to turn out, show, speak," from uter "outer," comparative adj. from ut, → out.
Vâpidan, from Proto-Ir. *uab-/*uaf- "to utter (sing, speak), to call;" cf. Av. uf- "to sing;" Sogd. w'β, w'b "to say, speak;" Baluci gwâpt/gwâp- "to summon, call together;" Mod.Pers. gap, gab "word, chit-chat," zand-bâf "nightingale," buf "owl."
Fr.: parole, déclaration
1) An act of uttering; a spoken word, statement, or vocal sound.
Fr.: système photométrique uvby
A four-color stellar → photometric system devised by B. Strömgren. It is based on measurements in the ultraviolet (3500 Å), violet (4100 Å), blue (4670 Å), and yellow (5470 Å) regions of the spectrum. The filters bandwidths are 340, 200, 160, and 240 Å respectively. Also known as Strömgren four-color photometry.
u, v, b, and y referring to ultraviolet, violet, blue, and yellow respectively; → system.
UX Ori star
setâre-ye UX Šekârgar
Fr.: étoile UX Ori
A star that shows large irregular brightness variations and belongs to the Herbig Ae/Be family, i.e. pre-main sequence stars of intermediate mass. Typically a decrease of 2-3 magnitudes in the visible occurs for a few days to a couple of weeks. Current theories explain this behavior as being an obscuration of the central star by orbiting dust clouds, as well as contribution to the total luminosity by unsteady accretion onto the central star. Also called UXOr.