What is "revivers"

Usage examples of "revivers".

The name of Poggius the Italian ^50 is deservedly famous among the revivers of learning in the fifteenth century.

Never had the Ministry of Transport's insistence that all lifeboats carry a comprehensive first-aid kit been more fully justified, and seldom could it have been put to better use: collapse revivers, 'Omnopon,' sulphanilarnide powder, codeine compounds, dressings, bandages, gauze, cotton wool and jelly for burns -- they were all there and they were all used.

And just as in the western case so ever and again these eastern nomads would achieve a sort of political unity, and become the conquerors and masters and revivers of this or that settled and civilized region.