Pronunciation: yu ̇ - ' r ē -d ə - ˌ spo ̇ r
Variant: or ure · din · io · spore \ yu ̇ r- ə - ' di-n ē - ə - \ also ure · dio · spore \ yu ̇ - ' r ē -d ē - ə - \
Function: noun
Etymology: New Latin ured ium uredinium (fr. Latin uredo ) + English -o- + spore
Date: 1875
: one of the thin-walled spores that are produced by uredinial hyphae and spread the fungus vegetatively