Grammage

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The mass per area of paper measured in grams per square meter (g/m²). countable, uncountable

    "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. 2
    The integral of matter density along the path (of a cosmic ray). countable, uncountable

    "grammage of cosmic rays around galactic supernova remnants"

Example

More examples

"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."

Etymology

From gram + -age.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.