Can Be Comprised of?

Comprised of is an expression in English that means "composed of" or "constituted by". The Cambridge Advanced Learner's Dictionary, Collins English Dictionary and the Oxford Dictionaries regard the form comprised of as standard English usage.

Is it correct to say comprised of?

Although comprised of is an established standard for "being composed or constituted of," it is often liable to criticism and scrutiny. The correct version put forward by grammar guides is to use "composed of" or "comprises" such as "the cake is composed of flour and eggs" or "comprises flour and eggs."

Are composed of or are comprised of?

Yes, "composed of" is the correct form. The phrase "comprised of" is never correct to usage purists despite its regular appearance in writing. If you want to be correct in the eyes of discriminating readers, use "composed of."