mer·o·plank·ton 
(mĕr′ə-plăngktən)
(mĕr′ə-plăngktən)n.
The collection of organisms in the plankton that spend only part of their life cycle, usually the larval or egg stage, drifting freely in the water.
mer′o·plank·tonic (-tŏnĭk) adj.
- microphotographic
- microphotography
- microphysical
- microphysically
- microphysicist
- microphysics
- microphyte
- microphytic
- micropipette
- microplankton
- micropolis
- micropolitan
- microprint
- microprocessor
- microprogramming
- micropropagation
- micropublisher
- micropublishing
- micropylar
- micropyle
- microradiograph
- microradiography
- microreader
- microRNA
- microsatellite