ñåðíîêèñëûéacidulus [a, um]
êàëüêóëÿòîðmachina [ae,f] calculatoria;
ïðîòèâíèêadversarius [ii, m];
aquae impermeabilis; + âîäîíåïðîíèöàåìûé ñëîé stratum aquae impermeabilis;