Definition of free-swimming in English:

free-swimming

Syllabification: free-swim·ming
Pronunciation: /ˌfrēˈswimiNG
 
/

adjective

Zoology
(Of an aquatic animal) not attached to an object or substrate and able to swim freely.
More example sentences
  • The eggs of most frogs hatch into aquatic, free-swimming larvae, commonly known as tadpoles.
  • These are miniature jaw-like structures that come from a free-swimming worm-like animal, actually more closely related to fishes than to any of the other invertebrates.
  • There are more than a thousand described species of golden algae, most of them free-swimming and unicellular, but there are filamentous and colonial forms.

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Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit