What does 1D stand for?

What does 1D mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: 1D.

We've found a total of 3 definitions for 1D:

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One Direction

Community » Music

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One times the Diameter

Miscellaneous » Manufacturing

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Academic & Science » Physics

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"1D." Abbreviations.com. STANDS4 LLC, 2015. Web. 8 Oct. 2015. <http://www.abbreviations.com/1D>.