organic

adjective

• 1of, relating to, or derived from living matter:organic soils
• Chemistry of, relating to, or denoting compounds containing carbon (other than simple binary compounds and salts) and chiefly or ultimately of biological origin. Compare with inorganic.
• (of food or farming methods) produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.

• 2 Physiology of or relating to a bodily organ or organs.
• Medicine (of a disease) affecting the structure of an organ.

• 3denoting a relation between elements of something such that they fit together harmoniously as necessary parts of a whole:the organic unity of the integral work of art
• characterized by continuous or natural development:companies expand as much by acquisition as by organic growth