Definition
On an aromatic ring, the C3 position.
Explanation
It is used as a prefix in chemistry with several meanings, but in organic chemistry, it is used to indicate the positions of substituents in an aromatic cyclic compound.
Meta
In one sentence
It is used as a prefix in chemistry with several meanings, but in organic chemistry, it is used to indicate the positions of substituents in an aromatic cyclic compound.
Terms used on this page
Every one of these links to a full definition with an example.