Literally "the tallness of one's back/torso." The everyday phrase; the single noun 身長 is more formal and used on forms and medical charts.
Common collocations
- 背の高さを測る: to measure someone's height
- 背の高さが違う: heights differ
- 背の高さが同じくらい: about the same height
- 背の高さ順に並ぶ: to line up by height
Similar words
- 身長: height (formal) — used on forms, medical records, official descriptions
- 背が高い: to be tall — the adjective expression, not the noun
- 背丈: stature — somewhat literary; emphasizes overall build