(~s, ~ing, ~ed)
Frequency: The word is one of the 3000 most common words in English.
1.
Something that ~s of particular things or people is formed from them.
Breakfast ~ed of porridge served with butter.
VERB: V of n/-ing
2.
Something that ~s in something else has that thing as its main or only part.
His work as a consultant ~ed in advising foreign companies on the siting of new factories.
VERB: V in n/-ing