Usage examples (35)

• The eighteenth-century preformation - ists, of whom Spallanzani was one and his friend
• Spallanzani persuaded himself that he could see Animálcula infusòria which could be seen by nobody else.
• Spallanzani placed fluids, which easily became putrid, in glass tubes, which he then hermetically sealed and boiled.
• Spallanzani used glass flasks with slender necks that could be fused in a flame and were thus sealed hermetically beyond all doubt.