[1] : The Collaborative International Dictionary of English v.0.48

boron \bo"ron\ b=o"ro^n, n. see borax. chem.
   a nonmetallic element occurring abundantly in borax. it is
   reduced with difficulty to the free state, when it can be
   obtained in several different forms; viz., as a substance of
   a deep olive color, in a semimetallic form, and in colorless
   quadratic crystals similar to the diamond in hardness and
   other properties. it occurs in nature also in boracite,
   datolite, tourmaline, and some other minerals. atomic number
   5. atomic weight 10.81. symbol b.
   1913 webster
see also:
borax 

[2] : WordNet (r) 2.0

boron
     n : a trivalent metalloid element; occurs both in a hard black
         crystal and in the form of a yellow or brown powder syn:
          b, atomic number 5
see also:
b atomic number 5 

[3] : Elements database 20001107

boron
symbol: b
atomic number: 5
atomic weight: 10.811
an element of group 13 of the periodic table. there are two allotropes,
amorphous boron is a brown power, but metallic boron is black. the
metallic form is hard 9.3 on mohs' scale and a bad conductor in room
temperatures. it is never found free in nature. boron-10 is used in
nuclear reactor control rods and shields. it was discovered in 1808 by sir
humphry davy and by j.l. gay-lussac and l.j. thenard.

[4] : U.S. Gazetteer (1990)

boron, ca cdp, fips 7568
  location: 35.00492 n, 117.65034 w
  population 1990: 2101 937 housing units
  area: 7.6 sq km land, 0.0 sq km water
  zip codes: 93516

[5] : U.S. Gazetteer Places (2000)

boron, ca -- u.s. census designated place in california
   population 2000:    2025
   housing units 2000: 1103
   land area 2000:     13.848524 sq. miles 35.867512 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    13.848524 sq. miles 35.867512 sq. km
   fips code:            07568
   located within:       california ca, fips 06
   location:             35.015177 n, 117.660799 w
   zip codes 1990:     93516
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    boron, ca
    boron

Boron >> B Words
Boron, definition of term: Boron
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