noun🔗ShareThe chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder."The garden fertilizer contained boron to help the plants grow stronger stems. "elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA single atom of this element."The lab technician carefully picked up a single boron atom with the atomic force microscope. "elementsubstancematerialchemistryscienceChat with AIVocabulary GamePractice Reading
