Boron
name, noun ·Moderate ·College level
Definitions
- 1 The chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder. uncountable, usually
"The B₆-type octahedral borons are each bonded to five other boron atoms; four are part of the same octahedron, and one is external to this octahedron."
- 2 a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder wordnet
- 3 A single atom of this element. uncountable, usually
"For each X point, four borons in the same plane composing a B₆ cluster provide these orbitals."
- 1 A surname.
- 2 A census-designated place in Kern County, California, United States.
Example
More examples"How many moles of boron are there in this solution?"
Etymology
From the stem of borax (boro-) + -on (based on carbon). Coined by British chemist Humphry Davy as a modification of his earlier word boracium.
* As a Polish surname, pet form of Borzysław, Borzymir, formed from obsolete bor (“to fight”), from Proto-Slavic *borti. * As a French surname, from a placename in Franche-Comté. * As a Jewish surname, variant of Baron. * The placename in California is from the element boron.
Related phrases
More for "boron"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.