Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An SI unit of mass equal to 10−18 grams.

Etymologies

atto- +‎ gram (Wiktionary)

Examples

  • Nanocantilever biosensors are easily multiplexed and can achieve attogram level sensitivity, so they are particularly well-suited to disease screening, point mutation analysis, blood glucose monitoring, and chemical and biological warfare agent detection.

    Nano Tech Wire

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