polybrominated

As a noun initialism

is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As an adjective polybrominated is

(chemistry) having had multiple hydrogen atoms replaced by bromine.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective polybrominated is

(chemistry) having had multiple hydrogen atoms replaced by bromine.

Polybrominated is a related term of polyhalogenated.

As adjectives the difference between polybrominated and polyhalogenated

is that polybrominated is (chemistry) having had multiple hydrogen atoms replaced by bromine while polyhalogenated is with multiple halogen atoms.