o·o·spore 
(ōə-spôr′)
(ōə-spôr′)n.
A thick-walled zygote developed from a fertilized oosphere, especially in an oomycete.
o′o·sporic (-spôrĭk, -spŏr-) adj.
- heterostyly
- heterotaxia
- heterotaxic
- heterotaxy
- heterothallic
- heterothallism
- heterotic
- heterotopia
- heterotopic
- heterotroph
- heterotrophic
- heterotrophically
- heterotrophy
- heterotypic
- heterotypical
- Heterousian
- heterozygosis
- heterozygosity
- heterozygote
- heterozygous
- heth
- hetman
- heulandite
- heuristic
- heuristically