Of, relating to, or being an estimate or approximation.
noun
(grammar) A grammatical construct that expresses approximation.
approximatively
approximatively
adv
In an approximative manner.
approximativeness
approximativeness
noun
The state or quality of being approximative.
paramyxovirus
paramyxovirus
noun
(virology) Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.