Definitions

the layer of gases surrounding the earth at a height of between 15 and 50 kilometres that is not affected by the weather and in which the temperature increases with height:

between the points on a graph (= a picture showing how two sets of information are related) :

happening or existing between different communities (= people who live in an area or have things in common) :

the fact of making a mistake or mistakes when writing down something that has been said or sung, or when changing something into a different written form: