Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Latvian
⇄
Arabic
Basque
Bulgarian
Catalan
Chinese
Croatian
Czech
Danish
Dutch
English
Estonian
Finnish
French
German
Greek
Hungarian
Irish
Italian
Latin
Lithuanian
Maltese
Norwegian Bokmål
Polish
Portuguese
Romanian
Russian
Slovak
Slovene
Spanish
Swedish
Turkish
Ukrainian
+
G
o
o
g
l
e
|
Forvo
|
+
bors
n
This HTML5 player is not supported by your browser
chem.
boron
(Borium)
environ.
boron
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
Add
|
Report an error
|
Get short URL