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What does HA stand for?

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

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HA

Hydrogen Alpha

Miscellaneous » Unclassified

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HA

Hyperallergenic And

Miscellaneous » Unclassified

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HA

Hypo Allergenic

Miscellaneous » Unclassified

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HA

The Hermitian Adjoint

Miscellaneous » Unclassified

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HA

The Hermitian Arxiv

Miscellaneous » Unclassified

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HA

Hour Angle

Miscellaneous » Unit Measures

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HA

Hectare

Miscellaneous » Unit Measures -- and more...

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HA

Higher Authority

Governmental » US Government

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HA

Horse Association

Medical » Veterinary

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What does HA mean?

hour angle, HA(noun)
(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day

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