oxygen

/หˆษ’ksษชdส’ษ™n/

IPA: /AA1 K S AH0 JH AH0 N/

noun
  1. 1

    The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.

  2. 2

    Molecular oxygen (O2), a colorless, odorless gas at room temperature, also called dioxygen.

  3. 3

    A mixture of oxygen and other gases, administered to a patient to help them breathe.

  4. 4

    An atom of this element.

Source: https://en.wiktionary.org/wiki/oxygen