[usually before noun](abbreviationM)in the middle between two sizes, amounts, lengths, temperatures, etc.synonymaveragea medium-size car/business/towna man of medium height/buildThere are three sizes—small, medium and large.a medium steak (= one cooked quite well but not too much)Cook over a medium heat for 15 minutes.a medium dry white wineChoose medium to large tomatoes.
Word Originlate 16th cent. (originally denoting something intermediate in nature or degree): from Latin, literally
used to describe what will happen a long, short, etc. time in the futureSuch a development seems unlikely, at least in the short term (= it will not happen for quite a long time).In the longer term, children of depressed mothers are more likely to suffer from childhood depression.