noun
Academic term for the study of facial features or skull shape to assess character or mental faculties. Physiognomy is the broader term; phrenology is a specific historical variant.
観相学は、顔の特徴から性格を判断する学問だ。
Physiognomy is the study of judging character from facial features.
19世紀には観相学の一種として骨相学が流行した。
In the 19th century, phrenology, a type of physiognomy, was popular.