atomic number 5 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Hypernym
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
metalloid 1
noun
a chemical element with properties in between, or that are a mixture of, those of metals and nonmetals.
any chemical element that belongs to the boron group.
EnglishSubstance_holonym
borax 1
noun
an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent
kernite 1
noun
a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron
boron carbide 1
noun
an extremely hard boron–carbon ceramic material used in tank armor, bulletproof vests, engine sabotage powders, as well as numerous industrial applications.
borazine 1
noun
an inorganic compound with the chemical formula (BH)3(NH)3.
boride 1
noun
a chemical compound between boron and a less electronegative element.
