Relating to or derived from living matter
Entirely organic; specifically (of a method of farming or gardening) using no chemical fertilizers, pesticides, etc.
Of or relating to organic compounds involved or produced in biological processes; designating such compounds.
Existing or occurring prior to the existence of organic life.
Not relating to or derived from living matter
A law stating the formal constitution of a nation
Of or relating to microorganisms.
An organic compound or material having electrical or magnetic properties resembling those of metals.
Soil that is naturally rich in organic matter (typically containing at least 20% organic matter by weight in a layer more than one meter in thickness).
(With the) the animal and vegetable kingdoms in combination; living things collectively; nature.
(Originally) an alkali of organic origin, an alkaloid (now historical); (in later use) any alkaline organic compound.
Inorganic but closely resembling or simulating an organism or organic structure.
An expert in or student of the branch of science that deals with carbon compounds
(In the terminology of Buffon) any of the minute indivisible particles of which living things are constituted and by means of which they reproduce (now historical).
A theory emphasizing the role of adaptive non-hereditary phenotypic or ontogenetic variations (especially those affecting the behaviour of an individual organism with respect to its environment) in evolutionary selection.
The branch of chemistry that deals with carbon compounds (other than simple salts such as carbonates, oxides, and carbides)
A hazardous organic chemical compound that is resistant to biodegradation and thus remains in the environment for a long period of time