grammage

English

Etymology

gram +‎ -age

Noun

grammage (countable and uncountable, plural grammages)

  1. (paper production) The mass per area of paper measured in grams per square meter (g/m²).
    • 2017, Sabit Adanur, Paper Machine Clothing: Key to the Paper Making Process, Asten, →ISBN, page 31:
      Grammage of paper is very important because all physical properties and many optical and electrical properties are affected by the change in grammage. Paper is sold by weight; therefore, the lowest grammage paper that will do the job is usually selected by the customer.
  2. (physics) The integral of matter density along the path (of a cosmic ray).
    grammage of cosmic rays around galactic supernova remnants

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