NA

Symbol for Avogadro number.

Abbreviation for Nomina Anatomica.

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Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminidase; neurologic age; neutralizing antibody; neutrophil antibody; nicotinic acid; Nomina Anatomica; non-A [hepatitis virus]; nonadherent; nor-adrenalin; not admitted; not applicable; not available; nuclear antibody; nucleic acid; nucleoside analogue; nucleus ambiguus; numerical aperture; nurse's aide; nursing assistant; nursing auxiliary

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NA abbr

1) Nomina Anatomica

2) numerical aperture

3) nurse's aide

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Avogadro's number.