ἰσοδυναμέω

A. have equal power, τὸ ψεῦδος ἰ. πρὸς τὴν ἀλήθειαν Plb. 2.56.2; to be equivalent to, τινι Stoic. 3.9, Ph. 2.291, etc.; ἀλλήλοις Arr. Epict. 1.8.1; esp. in meaning, A.D. Pron. 41.15,al.: Math., Ptol. Alm. 2.7: abs., Chrysipp.Stoic. 2.83, LXX Si.Prol. 13; of sounds in speech, Phld. Po.Herc. 994 Fr. 22; of drugs, etc., possess the same properties, Dsc. 1.70,5.75: Astrol., to be equipollent, Ptol. Tetr. 36, Vett.Val. 142.27.