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submicrogram

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adjective sub·mi·cro·gram \ˌsəb-ˈmī-krə-ˌgram\

Definition of submicrogram

  1. :  relating to or having a mass of less than one microgram <submicrogram quantities of a chemical>



1946

First Known Use of submicrogram

1946


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to expose to danger or risk

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