noun
hair straightener; straightening iron
A wasei-eigo term for a heated styling tool that straightens hair. In English, 'straight hair iron' is not standard; the natural equivalent is 'hair straightener' or 'flat iron'.
wasei-eigo (Japanese-coined English), from straight hair iron
朝、ストレートヘアアイロンで前髪を伸ばす。
In the morning, I straighten my bangs with a hair straightener.