火山（かざん、kazan）
- volcano

The Japanese word 火山, pronounced かざん (kazan), means "volcano." It refers to a vent in the Earth's crust from which molten rock (magma), ash, and gases erupt. A 火山 often takes the shape of a mountain or a cone. 火山 are dynamic geological features that can be active, dormant, or extinct.

⚫︎富士山は日本の有名な火山です。 Translation: Mount Fuji is a famous volcano in Japan. ⚫︎その島には活火山があります。 Translation: There is an active volcano on that island. ⚫︎火山灰が空を覆っていた。 Translation: Volcanic ash was covering the sky.

You use 火山 when talking about volcanoes. This can be in various contexts: discussing their eruptions, describing the landscape, talking about their impact, or mentioning specific 火山 names. You can use it in both formal and informal conversations.

火山 is primarily written using kanji and hiragana. ・Kanji: 火山 ・Hiragana reading: かざん There are no other common ways to write this word. The okurigana (送りがな) is not applicable here.

There are no direct synonyms for 火山 as it is a specific term. However, you could use phrases to describe a 火山, such as: ・活火山 (katsukazan) - active volcano ・休火山 (kyuukazan) - dormant volcano ・死火山 (shikazan) - extinct volcano

There aren't direct antonyms for 火山. The opposite concept would be a place without a 火山, or a landscape not shaped by volcanic activity.

桜島は今も噴火を続けている活火山です。 ・Translation: Sakurajima is an active volcano that is still erupting. ・Explanation: This sentence describes the status of Sakurajima as a continuously erupting 火山.

火山活動によって地形が変化した。 ・Translation: The topography changed due to volcanic activity. ・Explanation: This sentence explains that the landscape was reshaped because of actions by the 火山.

The word 火山 is a compound word composed of two kanji: ・火 (ka) - fire ・山 (zan/yama) - mountain Therefore, the literal meaning of 火山 is "fire mountain," which accurately describes the nature of a 火山, a mountain that emits fire (in the form of lava and other materials).