One of the openings or spaces in a screen or woven fabric. The value of the mesh is usually given as the number openings per inch. This value does not consider the diameter of the wire or fabric; therefore, the mesh number does not always have a definite relationship to the size of the hole.
MESH
Meaning of MESH in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012