X线可透性，射线可透性：能使X线和其它射线通过的特性- autoploid
- autoploidy
- autopodium
- autopoisonous
- autopolymer
- autopolymerization
- autopolyploid
- autopolyploidy
- autoprecipitin
- autoprotection
- autoproteolysis
- autoprothrombin
- autoprotolysis
- octabenzone
- octacosane
- octacosanol
- octadecanoate
- octamethyl pyrophosphoramide
- octan
- octane
- octanoic acid
- octapeptide
- octaploid
- octarius
- octavalent