Operimethiolim is the spirit of Mineralls.
Oppilativa are medicines which stop fluxes.
Oppodeltoch in Paracelsus is an ointment.
Opopyron Laudani is Paracelsus his medicine to stop feavers.
Ordoleum is a little aposteme like a barley corne.
Orexis is a heat caused by tartarous matter.
Organopeotica is an Art finding out warlike instruments.
Orizonæternitatis is the supercelestiall vertue of things.
Orizeum is Gold.
Orizeum foliatum is Leaf-gold.