lín​jiè​diǎn

critical point

临界点 (臨界點) lín​jiè​diǎn
critical point noun
the specific temperature, pressure, or conditions at which a substance or physical system undergoes a change of state
tipping point noun
a threshold or boundary beyond which a significant and often irreversible change or transition occurs in a situation

Frequency

Movie subtitles
0.420 per million appears in 0% of films
Written text
1.25 per million

Sources

Definitions
CC-CEDICT