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单词 free-living
释义

free-living

adjective

free-liv·​ing ˈfrē-ˈli-viŋ How to pronounce free-living (audio)
1
: marked by more than usual freedom in the gratification of appetites
2
a
: not fixed to the substrate but capable of motility
a free-living protozoan
b
: being metabolically independent : neither parasitic nor symbiotic
a free-living adult hairworm

Word History

First Known Use

1818, in the meaning defined at sense 1

Medical Definition

free-living

adjective

free-liv·​ing ˈfrē-ˈliv-iŋ How to pronounce free-living (audio)
1
: not fixed to the substrate but capable of motility
a free-living protozoan
2
: being metabolically independent : neither parasitic nor symbiotic
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更新时间:2025/3/16 22:07:20