os·mous 
(ŏzməs) also os·mi·ous (-mē-əs)
(ŏzməs) also os·mi·ous (-mē-əs)adj.
Relating to or containing osmium in a compound with a valence lower than that in a comparable osmic compound.
[OSM(IUM) + -OUS.]
- third market
- Third Order
- third party
- third person
- third-person
- third quantum number
- third quarter moon
- third rail
- third-rate
- Third Reich
- third-stream
- third stream
- Third World
- Third-World
- Third Worlder
- thirst
- cryptobiosis
- cryptobiotic
- cryptoclastic
- cryptococcal
- cryptococcosis
- cryptococcus
- cryptocrystalline
- cryptogam
- cryptogamic