meta-

from the GNU version of the Collaborative International Dictionary of English.

• A prefix meaning between, with, after, behind, over, about, reversely
• Other; duplicate, corresponding to; resembling; hence, metameric.
• (Organic Chem.) That two replacing radicals, in the benzene nucleus, occupy the relative positions of 1 and 3, 2 and 4, 3 and 5, 4 and 6, 5 and 1, or 6 and 2; See Ortho-, and Para-.
• (Inorganic Chem.) Having less than the highest number of hydroxyl groups; -- said of acids. Also used adjectively.
• A prefix meaning at a level above, as in metaphysics, metalanguage.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• prefix transcending, encompassing
• prefix Pertaining to a level above or beyond. For example, metadata is data that describes data, metalanguage is language that describes language, etc.
• prefix Having analogies with metaphysics
• prefix pathology Consequent on
• prefix Behind
• prefix Later or subsequent
• prefix geology Analogies and derivatives of metamorphism
• prefix chemistry Having fewer molecules of water than the ortho- equivalent
• prefix chemistry in isomeric benzene derivatives, having the two substituents in alternate positions; contrasted with ortho- and para-