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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

The many minute aquatic creatures, such as protozoa and unicellular algae, found in fresh water habitats

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Usage examples (35)
  • German naturalist noted for his studies of Infusoria.
  • It is highly remarkable, from being composed, to at least one-tenth part of its bulk, of Infusoria:
  • Infusoria, possible occurrence in underclays of coal.
  • Some apparently undescribed Infusoria from fresh water.
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