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microzooplankton
microzooplankton n. 
/ˌmʌɪkrə(ʊ)ˈzəʊəˌplaŋ(k)tən/, /ˌmʌɪkrə(ʊ)zuː(ə)ˈplaŋ(k)tən/, /ˌmʌɪkrə(ʊ)zəʊəˈplaŋ(k)tən/, /ˌmaɪkroʊˈzoʊəˌplæŋkt(ə)n/, /ˌmaɪkroʊˌzu(ə)ˈplæŋkt(ə)n/, /ˌmaɪkroʊˌzoʊəˈplæŋkt(ə)n/ Biology very small zooplankton, spec. within the size range of 20–200 μm.
Brit. /ˌmʌɪkrə(ʊ)ˈzuː(ə)ˌplaŋ(k)tən/
, /ˌmʌɪkrə(ʊ)ˈzuː(ə)ˌplaŋ(k)tən//ˌmʌɪkrə(ʊ)ˈzəʊəˌplaŋ(k)tən//ˌmʌɪkrə(ʊ)zuː(ə)ˈplaŋ(k)tən//ˌmʌɪkrə(ʊ)zəʊəˈplaŋ(k)tən/U.S. /ˌmaɪkroʊˈzu(ə)ˌplæŋkt(ə)n/
, /ˌmaɪkroʊˈzu(ə)ˌplæŋkt(ə)n//ˌmaɪkroʊˈzoʊəˌplæŋkt(ə)n//ˌmaɪkroʊˌzu(ə)ˈplæŋkt(ə)n//ˌmaɪkroʊˌzoʊəˈplæŋkt(ə)n/ΚΠ
1964 Science 13 Nov. 923 The smaller species which are not retained by plankton nets, the microzooplankton, are often overlooked by marine ecologists.
1994 Nature 24 Mar. 296/1 Microscopic examination of seawater samples..showed about a 50 per cent increase in microzooplankton.
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