The chemical element of atomic number 5, a non-metallic solid. (Symbol: B)
More example sentences
- The mineral elements most likely to be deficient in vineyards are nitrogen, potassium, phosphorus, zinc, boron, iron, manganese, and magnesium.
- The smaller element may be a nonmetallic element, such as boron, carbon, nitrogen, or silicon.
- Zinc is in solid solution; boron, titanium and zirconium are seldom added in amounts sufficient to produce visible compounds.
early 19th century: from borax, on the pattern of carbon (which it resembles in some respects).
Definition of boron in:
- The US English dictionary