also: ほうそ
boron (B)
Chemical element with atomic number 5. Used in scientific and technical contexts.
Boron is used as a material for semiconductors.
Standard kanji-katakana hybrid spelling for the chemical element boron.
Hiragana-katakana hybrid spelling; less common than ホウ素.
Rare kanji spelling using the character 硼; mainly encountered in older scientific texts.
From German 'Bor' or English 'boron', combined with 素 (element). The kanji 硼 is a Chinese character used for borax/boron.