in the middle between two sizes, amounts, lengths, temperatures, etc. synonym average a medium-size car/business/town a man of medium height/build There 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 wine Choose medium to large tomatoes.
Idioms used to describe what will happen a long, short, etc. time in the future Such 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. see long-term, medium-term, short-term See medium in the Oxford Advanced Learner's Dictionary
