an·es·trous 
(ăn′ĕstrəs)
(ăn′ĕstrəs)adj.
1. Not exhibiting estrus.
2. Of or relating to anestrus.
- ophthalmologic
- ophthalmological
- ophthalmologically
- ophthalmologist
- ophthalmology
- ophthalmoscope
- ophthalmoscopic
- ophthalmoscopical
- ophthalmoscopy
- -opia
- opiate
- opine
- opinion
- opinionate
- opinionated
- opinionatedly
- opinionative
- opinionatively
- opioid
- opisthobranch
- opisthognathism
- opisthognathous
- opium
- opium poppy
- Oporto