Question

What does halogenated mean?

Answer 1

Halogenated means consisting of a halogen

Explanation:

From the periodic table, the halogens are the group 7 elements. So when something is halogenated, it means the compound contains a halogen ( Ioding, Chlorine, Bromine, Fluorine...)

Answer 2

Addition of halogens to an Organic compound.

Explanation:

Halogens are astatine ,bromine, chlorine, fluorine, iodine .

You could have different ways of halogenation depending on the compound like:
Free radical halogenation: substitute hydrogen atms by the halogen
Halogen Addition
Electrophilic Halogenation: for compounds which are aromatic