音読み: カ
訓読み: ひ・ほ
画数: 4
部首: ひ（火）
Meaning
Fire / Flame
- 火 — fire
- 火曜日 — Tuesday
- 火山 — volcano
- 火事 — fire (incident)
- 花火 — fireworks
- 火星 — Mars
- 耐火 — fireproof / fire resistance
- 火薬 — gunpowder / explosives
More examples
- 消火 — firefighting / extinguishing
- 火気厳禁 — strictly no open flames
- 火鉢 — brazier (traditional heater)
- 火種 — live coals / source of trouble
- 火照る — to feel hot / to flush
The character 火 is a pictograph showing flames rising upward. It represents not only physical fire, but also ideas such as danger, passion, and energy in Japanese expressions.