an obsolete metric prefix denoting 10-12. The prefix has been replaced by pico- (p-).

Dictionary of units of measurement. 2015.

Look at other dictionaries:

  • micromicro- — [mī′krō mī′krō] combining form PICO …   English World dictionary

  • micromicro- — pico . * * * micromicro (obsolete) combining form Denoting a millionth of a millionth part, as in micromicrocurie (used in measuring the quantity of a radioactive substance present in stable material), micromicrofarad, etc (now pico ) ORIGIN:… …   Useful english dictionary

  • micromicro- — pico . * * * …   Universalium

  • micromicro- — Prefix formerly used to signify one trillionth (10−12); now pico …   Medical dictionary

  • μμ — micromicro ; micromicron …   Medical dictionary

  • µµ- —    see micromicro …   Dictionary of units of measurement

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