biological

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biological

(archaic), biologic
1. of or relating to biology
2. (of a detergent) containing enzymes said to be capable of removing stains of organic origin from items to be washed
3. a drug, such as a vaccine, that is derived from a living organism

biological

[¦bī·ə¦läj·ə·kəl]
(biology)
Of or pertaining to life or living organisms.
(immunology)
A biological product used to induce immunity to various infectious diseases or noxious substances of biological origin.
References in periodicals archive ?
Effect of particulate organic carbon on heterotrophic bacterial populations and nitrification efficiency in biological filters.
Since designs for biological filters should prevent the excessive light for the bacteria, the tank was painted blue in color in order to provide complete darkness for diurnal cycling of light regimes for nitrifying bacteria.
Previous remedies have included expensive biological filters and in some instances additional specialist ultra violet filters, to the bizarre bales of barley straw.
Procurement Lot1-Ftir Gas Analyzer - 1 Piece Lot2-Central Gas Leak Detection 4 Canals 1Pc, Lot3 - Gas Chromatograph - 1 Piece 1 Piece Lot4 -Nisa, Biological Filters Lot 5 - 1 Pc, Lot 6 - Software Specialized Data Processing and Chemical Analysis - 1 Piece
Most koi fanciers favor biological filters that use bacteria or water plants to remove impurities from the water.