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3-axis vs. 3-axes
  • OctovisualsOctovisuals
    Just a basic question I wonder about and I'm curious to see what do you think about it.

    If the plural of “axis” is “axes”, why is the expression usually “3-axis gimbal”? Shouldn't it be in fact “3-axes gimbal”?
  • Yu3u
    3-axis is proper. As 3-year-old (not 3-years-old).
    "Generally, when units of measure are used as adjectives, or as part of a compound noun, they are singular. "
  • OctovisualsOctovisuals
    Thanks a lot, Yu3u!

    I'm not a native English speaker, and I didn't know that rule.

    So the doubt has been totally solved. :)

    Best regards.
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