D defs.my
Entry 1 sense Webster, 1913

Red-hot

/(-h?t`)/ · Red·-hot · IPA
01 a. Red with heat; heated to redness; as, red-hot iron; red-hot balls. Hence, figuratively, excited; violent; as, a red-hot radical.
  1. 1.
    Red with heat; heated to redness; as, red-hot iron; red-hot balls. Hence, figuratively, excited; violent; as, a red-hot radical.