noun
Refers to talcum powder, often used for babies or cosmetic purposes.
赤ちゃんのおむつ替えのときに天花粉を使います。
I use talcum powder when changing the baby's diaper.
The term is composed of 天 (ten, 'heaven') and 花 (ka, 'flower') or 瓜 (ka, 'melon'), with 粉 (fun, 'powder'). The exact derivation is uncertain; it is a traditional name for talcum powder.