boron

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bo·ron

 (bôr′ŏn′)
n. Symbol B
A nonmetallic element that is amorphous and brown or crystalline and black, and is extracted chiefly from kernite and borax and used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys. Atomic number 5; atomic weight 10.811; melting point 2,075°C; boiling point 4000°C; specific gravity (crystal) 2.34, (amorphous) 2.37; valence 3. See Periodic Table.


bo·ron′ic (bə-rŏn′ĭk, bô-) adj.

boron

(ˈbɔːrɒn)
n
(Elements & Compounds) a very hard almost colourless crystalline metalloid element that in impure form exists as a brown amorphous powder. It occurs principally in borax and is used in hardening steel. The naturally occurring isotope boron-10 is used in nuclear control rods and neutron detection instruments. Symbol: B; atomic no: 5; atomic wt: 10.81; valency: 3; relative density: 2.34 (crystalline), 2.37 (amorphous); melting pt: 2092°C; boiling pt: 4002°C
[C19: from bor(ax) + (carb)on]

bo•ron

(ˈbɔr ɒn, ˈboʊr-)

n.
a nonmetallic element occurring naturally only in combination, as in borax or boric acid: used in alloys and nuclear reactors. Symbol: B; at. wt.: 10.811; at. no.: 5.
[1805–15; bor (ax1) + (carb) on]
bo•ron•ic (ˌb ɔˈrɒn ɪk, boʊ-) adj.

bo·ron

(bôr′ŏn′)
Symbol B A shiny, brittle, black nonmetallic element extracted chiefly from borax. It conducts electricity well at high temperatures but poorly at low temperatures. Boron is necessary for the growth of land plants and is used to make soaps, abrasives, and hard alloys. Atomic number 5. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.boron - a trivalent metalloid elementboron - a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
borax - an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent
kernite - a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron
Translations
boor
بورون
бор
bor
borbór
bor
boro
boor
بور
boori
בורבורון
बोरॉन
bor
bór
boron
bór
ホウ素硼素
붕소
borium
boras
bors
ബോറോണ
bor
bor
bór
bor
бор
bor
boroni
โบรอน
bor
бор
bo

boron

[ˈbɔːrɒn] Nboro m

boron

[ˈbɔːrɒn] nboro
References in periodicals archive ?
Limited Tenders are invited for Constr of community hall with toilet and electric wiring at vill burah dist darrang
He urged the international community to take notice of Indian atrocities and use of force on the martyrdom anniversary of freedom fighter Burah Wani.
With the help of Sri Lankans Tuan Burah and Chanaka Ranaweera, both Golden Oldies, S De S Jayasignhe College, a school in the outskirts of Colombo, has been selected to be supported.
With the help of Sri Lankans, Tuan Burah and Chanaka Ranaweera, both staunch Golden Oldies and previously old rivals from their schoolboy rugby days, S De S Jayasignhe College, a school on the outskirts of Colombo, has been selected to help.
47) Ibid 389-90 (Isaacs J), quoting R v Burah (1878) 3 App Cas 889, 904-5 (Lord Selbourne for the Court).
66) Powell v Apollo Candle Company (1885) 10 App Cas 282, 290; see also R v Burah (1878) 3 App Cas 889 and Hodge v The Queen (1883) 9 App Cas 117 for a similar principle recognised in the Indian and Canadian contexts respectively.
That the judiciary is yet to be fully bifurcated from the executive while the village councils or the Gaon Burah Institution commands unchallenged power?
French and European animation filmmakers have positioned themselves on a different market, with auteurish animated features often less conventional, more modestly budgeted and innovative in some way," says Remi Burah, Arte France Cinema deputy CEO.