火口

火口

Japanese

Etymology 1

Kanji in this term
火	口
か Grade: 1	こう Grade: 1
on’yomi

Compound of 火 (ka, “fire”) +‎ 口 (kō, “hole”).

Pronunciation

• On’yomi: Kan’on
  • (Tokyo) かこー [kàkóó] (Heiban – [0])[1][2]
  • IPA^(key): [ka̠ko̞ː]

Noun

火口 (hiragana かこう, rōmaji kakō, historical hiragana くわこう)

1. (volcanology) a crater
2. the firedoor of a boiler

Synonyms

• (crater): 噴 (ふん)火 (か)口 (こう) (funkakō)

Derived terms

Derived terms

• 火 (か)口 (こう)丘 (きゅう) (kakōkyū)
• 火 (か)口 (こう)原 (げん) (kakōgen)
• 火 (か)口 (こう)原 (げん)湖 (こ) (kakōgenko)
• 火 (か)口 (こう)湖 (こ) (kakōko)
• 火 (か)口 (こう)港 (こう) (kakōkō)
• 火口谷 (かこうこく) (kakōkoku)
• 火 (か)口 (こう)瀬 (せ) (kakōse)
• 火口壁 (かこうへき) (kakōheki)
• 火口瀬 (かこうらい) (kakōrai)
• 中 (ちゅう)央 (おう)火 (か)口 (こう)丘 (きゅう) (chūōkakōkyū)
• 爆裂火口 (ばくれつかこう) (bakuretsukakō)

Etymology 2

Kanji in this term
火	口
ひ Grade: 1	くち‎ > ぐち Grade: 1
kun’yomi

Compound of 火 (hi, “fire”) +‎ 口 (kuchi, “hole”). The kuchi changes to guchi as an instance of rendaku (連濁).

Pronunciation

• Kun’yomi
  • (Tokyo) ひ​ぐち [híꜜgùchì] (Atamadaka – [1])[1][2]
  • IPA^(key): [çiɡɯ̟ᵝt͡ɕi]

Noun

火口 (hiragana ひぐち, rōmaji higuchi)

1. the origin of a fire
2. an opening for ignition
3. the nozzle of a welder, etc
4. the opening through which the fire enters the barrel in a hinawajū
5. (volcanology) a crater

Synonyms

• (origin of a fire): 火元 (ひもと) (himoto)
• (crater): 噴 (ふん)火 (か)口 (こう) (funkakō)

Etymology 3

Kanji in this term
火	口
ほ Grade: 1	くち‎ Grade: 1
kun’yomi

Compound of 火 (ho, “fire”) +‎ 口 (kuchi, “hole”).

Pronunciation

• Kun’yomi
  • (Tokyo) ほくち [hòkúchí] (Heiban – [0])[1]
  • (Tokyo) ほくち​ [hòkúchíꜜ] (Odaka – [3])[1]
  • IPA^(key): [ho̞kɯ̟ᵝt͡ɕi]

Noun

火口 (hiragana ほくち, rōmaji hokuchi)

1. tinder
2. a place for setting a fire

Synonyms

• (tinder): 火糞 (ほくそ) (hokuso)

Derived terms

Derived terms

• 火口金 (ほくちがね) (hokuchigane)
• 山火口 (やまぼくち) (yamabokuchi)
• 火口箱 (ほくちばこ) (hokuchibako, “tinderbox”)

References

1. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
2. 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, →ISBN