Dictionaries, Thesauruses, Pictures, and Press Releases
- oblate uniaxial strain
- obligate anaerobes
- obligate parasite
- obligate parasite
- oblique extinction
- oblique-slip fault
- obovate
- Obruchev, Vladimir Afanasievich
- obrusion
- obrution
- obrution deposit
- obsequent
- obsequent
- observation well
- observation well
- obtect
- obturate foramen
- Ocagne, Philbert Maurice D’
- Occhialini, Giuseppe Paolo Stanislao
- occipital