B 3
rzeczownikdomena: substancja
Princeton WordNet [ver.3.1]
Definicja
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Synonimy
- boron 1
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
- atomic number 5 1
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder


