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What does D stand for?

D stands for Diopter (unit of optical power)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 1 other meaning of D in our Acronym Attic

Samples in periodicals archive:

Sig Sauer, a leader in commercial, law enforcement, and military firearms manufacture, has introduced a rotary diopter sight system that is optimized for the SIG 556 rifle and provides serious shooters with a high-quality set of iron sights with CQB capabilities.