Usually means: Peptide nucleic acid, synthetic polymer.
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We found 13 dictionaries that define the word PNA:

General (4 matching dictionaries)
  1. PNA, PNA: Merriam-Webster
  2. PNA: Wiktionary
  3. PNA: Dictionary.com
  4. PNA: Wikipedia, the Free Encyclopedia

Computing (2 matching dictionaries)
  1. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
  2. PNA (disambiguation), pNa: Encyclopedia

Miscellaneous (2 matching dictionaries)
  1. PNA: Acronym Finder
  2. AbbreviationZ (No longer online)

Science (1 matching dictionary)
  1. PNA: A Dictionary of Quaternary Acronyms and Abbreviations

Slang (1 matching dictionary)
  1. P.N.A, PNA: Urban Dictionary

Tech (3 matching dictionaries)
  1. Glossary of Meteorology (No longer online)
  2. Oil Analysis (No longer online)
  3. National Weather Service Glossary (No longer online)

Definitions from Wiktionary (PNA)

noun:  Initialism of personal navigation assistant.
noun:  (biochemistry) Initialism of peptide nucleic acid. [(biochemistry) A synthetic organic polymer similar to DNA or RNA; the sugar backbone of nucleic acids is replaced by N-(2-aminoethyl)-glycine linked through peptide bonds - considered a possible precursor to RNA]
noun:  (pathology) Initialism of pulmonary nodular amyloidosis.
noun:  Initialism of Palestinian National Authority.
noun:  Initialism of Polish National Alliance.
noun:  (Philippines) Initialism of Philippine News Agency.

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nap, pan, anp

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Opposite:
nap, pan, anp

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