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microbubble
microbubble n.
Brit. 
/ˈmʌɪkrə(ʊ)ˌbʌbl/
, /ˈmʌɪkrə(ʊ)ˌbʌbl/U.S. /ˈmaɪkroʊˌbəb(ə)l/
/ˈmaɪkroʊˌbəb(ə)l/ΚΠ
1962 Science 12 Oct. 111/1 It is possible that this kind of bubble collapse is a catastrophic form..of the Willard phenomenon..of microbubble production associated with surface vibrations.
1999 Chicago Tribune 14 Jan. ii. 9 (advt.) Save up to $19 on Easy Spirit's Anti-Gravity fitness shoes with microbubble technology to absorb more shock.
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