臨りん界かい点てんMeaningsNoun1. critical point (temperature)Kanji used臨face something界realm点pointPitch accentりんかいてんComposed of臨りん界かいboundary; (nuclear) criticality; critical (mass, pressure, temperature, state, point, etc.)Noun点てんdot; spot; point; speck; mark; mark (in an exam, etc.); grade; score; points; point (in a game); …Noun