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micromicrocurie
micromicrocurie n. 
/mʌɪkrə(ʊ)ˈmʌɪkrə(ʊ)ˌkjɔːri/,
Brit. /mʌɪkrə(ʊ)ˈmʌɪkrə(ʊ)ˌkjʊəri/
, /mʌɪkrə(ʊ)ˈmʌɪkrə(ʊ)ˌkjʊəri//mʌɪkrə(ʊ)ˈmʌɪkrə(ʊ)ˌkjɔːri/U.S. /ˌmaɪkroʊˈmaɪkroʊˌkjʊri/
/ˌmaɪkroʊˈmaɪkroʊˌkjʊri/ΚΠ
1954 Science 7 May 620/2 The activity was found bo be 270 micromicrocuries per milliliter.
1961 Daily Tel. 10 Oct. 18/3 In the past 23 days, the average amount of radioactivity in every kilogram of air has been 3·42 micro-microcuries.
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