bromides

A binary compound of bromine and some other element or radical.

A dose of bromide taken as a sedative, or to reduce sexual appetite.

(by extension) A dull person with conventional thoughts.

“My adviser at college was a bromide who had not had an original thought in years.”

A platitude.

“We hoped the speech would include reassurances, but instead it was merely one bromide after another.”

A print made on bromide paper.