straightener

/ˈstreɪtənər/
noun
  1. A device or tool used to make hair straight, typically using heat.
    • The ceramic straightener glides smoothly through wet hair.
    • She plugged in her hair straightener before taking a shower.
    • He borrowed his sister's straightener to fix his messy hair.
  2. A tool or substance used to make something straight, such as a tool for straightening wires or a chemical for straightening hair.
    • The carpenter bought a new straightener for bending metal rods.
    • The electrician used a wire straightener to prepare the cables.
    • A chemical straightener can permanently change the texture of curly hair.
Antonyms
What does "straightener" mean? | whatsthatwordmean | whatsthatwordmean