isoelectricisoelectric pointisoelectronicisogameteisogameticisogamousisogamyisogenousisogenyisogeothermisoglossisogonalisogonicisogonyisogramisogriveisohalineisohelisoheytisohyetisolaniisolantiteisolateisolatedisolated adjisolated pointisolationisolationismisolationistisolatorisoldeisoletteisoleucineisolineisologousisomagneticisomerisomericisomerismisomerizationisomerousisometricisometric projectionisometropiaisometryisomniaisomorphisomorphicisomorphismisomorphous