[hem-i-plangk-tuh n]See more synonyms on Thesaurus.com
Related formshem·i·plank·ton·ic [hem-ee-plangk-ton-ik] /ˌhɛm i plæŋkˈtɒn ɪk/, adjective
- plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018