Definition of oospore in English:

oospore

noun

Botany
  • The thick-walled zygote of certain algae and fungi, formed by fertilization of an oosphere.

    Compare with zygospore
    • ‘Spherical, dark green Vaucheria propagules, presumably oospores, were observed among the far more common diatoms, nematodes, angiosperm vessel members, and sand fragments in the slurry.’
    • ‘Of an estimated 45,000 oospores spread onto germination plates from each isolation, 500 germinated.’
    • ‘Translocations create the possibility of obtaining one, two, or three copies of a locus or region, which may result in balanced lethals or in high frequencies of nonviable oospores, as observed in many crosses.’
    • ‘The role of oospores in causing early season primary infections is not clear at present.’
    • ‘The progeny were derived from oospores generated in infected leaves (in vivo) and were recovered from sporulating lesions formed on leaves that were floated on water containing soil with oospores.’

Pronunciation

oospore

/ˈōəˌspôr/