See abiotic

abiological Not associated with living organisms.

Process in which a substance is converted to simpler products by physical or chemical mechanisms: examples include hydrolysis and photolysis.

Process in which a substance in the environment is modified by non-biological mechanisms.

Substance causes pregnancy to end prematurely and causes an abortion.

Lowest concentration of a substance in an environmental medium which kills 100 % of test organisms or species under defined conditions. Note: This value is dependent on the number of organisms used in [..]

Lowest amount of a substance which kills 100 % of test animals under defined conditions. Note: This value is dependent on the number of organisms used in its assessment.

, A Logarithm of the ratio of incident to transmitted radiant power through a sample (excluding the effects of sample cell walls). Depending on the base of the logarithm, a decadic and Napierian absor [..]

internal dose Amount (of a substance) taken up by an organism or into organs or tissues of interest. See absorption, systemic

, D Energy imparted by ionizing radiation to a specified volume of matter divided by the mass of that volume.