sense of pain; pain sensation
Refers to the physiological or perceptual ability to feel pain. Often used in medical, psychological, or technical contexts.
When the sense of pain becomes dull, it becomes harder to notice injuries.
This drug temporarily blocks pain sensation.
pain threshold
Compound of 痛 (pain) and 覚 (sensation, perception). The reading is on'yomi, typical for Sino-Japanese technical terms.