mi·cro·plank·ton 
(mīkrō-plăngk′tən)
(mīkrō-plăngk′tən)n.
Plankton composed of organisms, including both phytoplankton and zooplankton, measuring from 20 to 200 micrometers.
- pitch on/upon
- pitchout
- pitch-perfect
- pitch pine
- pitch pipe
- pitchpole
- pitch someone a curve ball
- pitchstone
- pitch/throw (someone) a curve ball
- pitch upon
- pitchy
- pitchy
- piteous
- piteously
- piteousness
- pitfall
- pith
- pithecanthropic
- pithecanthropine
- Pithecanthropus
- pith helmet
- pithily
- pithiness
- pith ray
- pithy