365bet中国官方网站

  • word of the day

    silicon dioxide

    silicon dioxide - 365bet中国官方网站 definition and meaning for word silicon dioxide

    Definition
    (noun) a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
    Synonyms : silica , silicon oxide

  • Word used in video below:
    text: Each bead is 1,000 tons of carbon dioxide.
    Download our Mobile App Today