Assertion: operation | /r/CapableOf | change in character
Facets:
value: dramatically
type: MANNER
Source sentences:
text: Beginning in the 1840s, surgery began to change dramatically in character with the discovery of effective and practical anaesthetic chemicals such as ether, first used by the American surgeon Crawford Long, and chloroform, discovered by Scottish obstetrician James Young Simpson and later pioneered by John Snow, physician to Queen Victoria.