1 denoting change of position or condition (metabolism).
2 denoting position: a behind. b after or beyond (metaphysics; metacarpus). c of a higher or second-order kind (metalanguage).
3 Chem. a relating to two carbon atoms separated by one other in a benzene ring. b relating to a compound formed by dehydration (metaphosphate).
Etymology: Gk meta-, met-, meth- f. meta with, after
Useful english dictionary. 2012.