Meaning ofauin English

Noun

1. atomic unit abbreviation; scientific context
   The scientist used au as an abbreviation for atomic unit in her research paper.
2. arbitrary unit symbol
   The arbitrary unit symbol au was used to represent a relative quantity in the experiment.
3. astronomical unit; cosmic measurement
   The astronomer measured the distance between planets in au.
4. absorbance Units; laboratory setting
   The laboratory equipment was calibrated to measure absorbance units, abbreviated as au.