a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
"The chemist carefully weighed the boron, noting that the sample she needed came from the same batch as the hard black crystals used for semiconductors."
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.
"Although boron appears as a dark amorphous powder when purified, scientists note that it reacts vigorously with water to release hydrogen gas."
A surname.
"The new head coach at the university is actually a Boron, which surprised everyone since I thought it was just an element name."
The name boron comes from the root of borax combined with the suffix used in carbon, following the pattern of other elements. British chemist Humphry Davy coined this term by adapting his earlier word boracium.