Biology Dictionary

  • Bloom

    Bloom

    A rapid increase in the population of microorganisms, especially algae, in aquatic environments, often causing environmental problems.

  • Blowout

    Blowout

    An event where an explosion or rupture occurs, typically used in reference to oil and gas wells or the expulsion…

  • Blubber

    Blubber

    A thick layer of fat found under the skin of marine mammals, such as whales and seals, that provides insulation…

  • Body cell

    Body cell

    Any cell in a multicellular organism that is not involved in reproduction, as opposed to germ cells or gametes.

  • Bohr effect

    Bohr effect

    A physiological phenomenon where an increase in carbon dioxide concentration or decrease in pH reduces the affinity of hemoglobin for…

  • Bohr’s planetary electron model

    Bohr’s planetary electron model

    A model of the atom proposed by Niels Bohr, where electrons orbit the nucleus in fixed paths or orbits, similar…

  • Boiling point

    Boiling point

    The temperature at which a liquid turns into a gas, occurring when the vapor pressure of the liquid equals the…

  • Bond energy

    Bond energy

    The amount of energy required to break a bond between two atoms in a molecule.

  • Bond strength

    Bond strength

    A measure of the energy required to break a chemical bond, related to the stability of the bond.

  • Bone

    Bone

    A rigid organ that forms part of the skeleton of vertebrates, providing structure, support, and protection for the body.