takes genitive case の, adjectival noun or quasi-adjective, noun

  1. piping hot, scalding.
  2. madly in love, passionately in love.

Variations

Pronunciation Kanji Kana Is Common
熱々 あつあつ
熱熱 あつあつ

Contained Kanji Breakdown

heat, temperature, fever
ネツ あつ.い あた (4th, N3)
art
ゲイ セイ う.える
clod of earth, land
リク ロク
mushroom
ロク きのこ
soil, earth, ground
ド つち は (1st, N5)
legs radical (no. 10)
ジン ニン がい (Kentei 1)
round, full (month), perfection
まる ガン ま (2nd, N2)
nine
キュウ ク ここの (1st, N5)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
fire, fire radical (no. 86)
ヒョウ カ
repeated kanji symbol