| ABIOSIS | • abiosis n. (Uncountable) The absence of life. • abiosis n. The temporary cessation of biological processes. • abiosis n. Necrosis, especially that which occurs at the single cell level. | 
| ANABIOSIS | • anabiosis n. (Biology) A state of suspended animation, especially during extreme drought; the act of recovering from this state. • ANABIOSIS n. a return to life after apparent death. | 
| EPIBIOSIS | • epibiosis n. (Biology) A relationship between two organisms, one of which lives or grows on the other, but is not parasitic on it. • EPIBIOSIS n. any relationship between two organisms where one grows on the other but is not parasitic. | 
| SYMBIOSIS | • symbiosis n. A relationship of mutual benefit, especially among different species. • symbiosis n. (Biology) A close, prolonged association between two or more organisms of different species, regardless… • symbiosis n. The state of people of different types, races, cultures, communities, etc., living together. | 
| AEROBIOSIS | • aerobiosis n. (Biology) Any form of life that is sustained by the presence of air (or oxygen). • AEROBIOSIS n. life in the presence of oxygen. | 
| ANTIBIOSIS | • antibiosis n. (Ecology) An association between organisms that is detrimental (harmful) to one or more of them; especially… • ANTIBIOSIS n. a state of mutual antagonism between associated organisms. | 
| PARABIOSIS | • parabiosis n. (Physiology) The (natural or surgical) union of parts of two organisms, especially in such a way as… • parabiosis n. The fusion of two embryos to form conjoined twins. • parabiosis n. A transient physiological state of suspension of obvious vital activities such as to enable an organism… | 
| GNOTOBIOSIS | • GNOTOBIOSIS n. the rearing of organisms in a germfree environment. | 
| NECROBIOSIS | • necrobiosis n. (Pathology) The normal death of cells or tissues because of age-related changes. • NECROBIOSIS n. the natural degeneration and death of a cell in living tissue. | 
| ANAEROBIOSIS | • anaerobiosis n. (Biology) Any form of life that is sustained in the absence of air (or oxygen). • ANAEROBIOSIS n. life in the absence of air or free oxygen. | 
| CRYPTOBIOSIS | • cryptobiosis n. (Biology) A state of life, entered by some organisms, in which all metabolic activity is temporarily halted. • CRYPTOBIOSIS n. a temporary state in an organism in which metabolic activity is absent or undetectable. | 
| TROPHOBIOSIS | • trophobiosis n. (Zoology) A symbiotic association in which one organism obtains or provides food for another. • TROPHOBIOSIS n. exchange of nutriment in symbiotic relationship. | 
| ENDOSYMBIOSIS | • endosymbiosis n. (Ecology) The condition of living within the body or cells of another organism; an instance of an organism so living. • ENDOSYMBIOSIS n. symbiosis in which one of the symbiotic organisms lives inside the other. | 
| PARASYMBIOSIS | • parasymbiosis n. (Biology) The condition of being parasymbiotic. • PARASYMBIOSIS n. the symbiotic relationship that occurs between certain species of fungi and lichens. |