shí​zhèng

empirical

实证 (實證) shí​zhèng
empirical noun
based on observation or experience rather than theory

His theory lacks support from empirical research.

proof noun
actual proof or concrete evidence

The police have not yet found any solid evidence.

Frequency

Movie subtitles
0.210 per million appears in 0% of films
Written text
2.96 per million

Sources

Definitions
CC-CEDICT