tetraspore

noun
tet·ra·spore | \ ˈte-trə-ˌspȯr \

Definition of tetraspore 

: one of the four haploid asexual spores developed meiotically in the red algae

First Known Use of tetraspore

1846, in the meaning defined above

History and Etymology for tetraspore

International Scientific Vocabulary

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The first known use of tetraspore was in 1846

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occurring twice a year or every two years

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