† nitro-ˈaereous,a.Obs. [ad.mod.L. nitro-aereus (Mayow 1674): see nitro- d and aereous a.] = next. 1682Gibson Anat. 117 The Nitro-aereous Particles may be carried..to the viscera.1699Phil.Trans. XXI. 236 Some will have the Menstruum to be a nitro-aëreous Spirit, that is, quick, and very penetrating.