Biology Dictionary

  • Oxidant

    Oxidant

    A substance that causes oxidation by accepting electrons from another substance.

  • Oxidation

    Oxidation

    A chemical reaction in which a substance loses electrons, often associated with the addition of oxygen.

  • Oxidation reduction reactions

    Oxidation reduction reactions

    Chemical reactions in which one substance is oxidized (loses electrons) and another is reduced (gains electrons).

  • Oxidize

    Oxidize

    To undergo oxidation or to cause a substance to undergo oxidation.

  • Oxyblepsia

    Oxyblepsia

    A condition characterized by an abnormal sensitivity to light, often affecting the eyes.

  • Oxychromatic

    Oxychromatic

    Referring to a color or hue that is rich in oxygen, often used in the context of biological or chemical…

  • Oxyesthesia

    Oxyesthesia

    The heightened sensitivity to oxygen, often relating to conditions affecting breathing or respiration.

  • Oxygen (O)

    Oxygen (O)

    A chemical element (atomic number 8) that is essential for life, forming part of water and used in cellular respiration.

  • Ossicle

    Ossicle

    A small bone, particularly one of the three bones in the middle ear that help transmit sound.

  • Ovary

    Ovary

    The female reproductive organ that produces eggs (ova) and hormones such as estrogen and progesterone.