grammage

== English == === Etymology === From gram +‎ -age. === Noun === grammage (countable and uncountable, plural grammages) (paper production) The mass per area of paper measured in grams per square meter (g/m²). (physics) The integral of matter density along the path (of a cosmic ray). ==== Translations ==== === Further reading === grammage on Wikipedia.Wikipedia === Anagrams === megagram