Jisho

×

炉

8 strokes
Radical:
fire 火 (灬)
Parts:
一 尸 戸 火
Variants:
爐
hearth, furnace, kiln, reactor
Kun:
いろり
On:
ロ
Jōyō kanji, taught in junior high
JLPT level N1
1359 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 炉 【ロ】 hearth, fireplace, furnace, kiln
  • 炉心 【ロシン】 nuclear reactor core
  • 原子炉 【ゲンシロ】 atomic reactor, nuclear reactor
  • 高炉 【コウロ】 blast furnace

Readings

Mandarin Chinese (pinyin):
lu2
Korean:
ro

Spanish

  • chimenea
  • horno
  • fundición

Portuguese

  • lareira
  • forno
  • fornalha
  • reator

French

  • fournaise
  • foyer
  • four
  • réacteur
1934 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
1414 A New Dictionary of Kanji Usage
2750 Classic Nelson (Andrew Nelson)
1726 Essential Kanji (P.G. O’Neill)
1511 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1790 Kanji and Kana (Spahn and Hadamitzky)
1926 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
1802 Kanji in Context (Nishiguchi and Kono)
1266 Kodansha Compact Kanji Guide
1079 Kodansha Kanji Dictionary (Jack Halpern)
583 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
772 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1089 Les Kanjis dans la tete (Yves Maniette)
18902X Morohashi
869 New Japanese English Character Dictionary (Jack Halpern)
3403 New Nelson (John Haig)
1080 Remembering The Kanji (James Heisig)
1161 Remembering The Kanji, 6th edition (James Heisig)
1209 Tuttle Kanji Cards (Alexander Kask)
1160 2001 Kanji
4d4.2 The Kanji Dictionary
1-4-4 SKIP code
1-1-7 SKIP code
9387.7 Four corner code
9382.7 Four corner code
1-47-07 JIS X 0208-1997 kuten code
7089 Unicode hex code

開

12 strokes
Radical:
gate 門
Parts:
一 ノ 二 廾 門
Variants:
open, unfold, unseal
Kun:
ひら.く、 ひら.き、 -びら.き、 ひら.ける、 あ.く、 あ.ける
On:
カイ
Jōyō kanji, taught in grade 3
JLPT level N4
59 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 開花 【カイカ】 flowering, blooming, blossoming, coming into bloom, flowering (of a civilization, talent, etc.), blossoming, blooming, bearing fruit (of efforts)
  • 開演 【カイエン】 curtain raising, starting (e.g. play, concert)
  • 疎開 【ソカイ】 evacuation (to the country), spreading out (troops), deployment, dispersal
  • 非公開 【ヒコウカイ】 private, non-public, secret, closed-door, closed

Kun reading compounds

  • 開く 【ひらく】 to open, to undo, to unseal, to unpack, to bloom, to unfold, to spread out, to open (for business, e.g. in the morning), to be wide (gap, etc.), to widen, to hold (meeting, party, etc.), to give, to open, to found (nation, dynasty, sect, etc.), to open (a new business), to set up, to establish, to start, to open (ports, borders, etc.), to open (an account), to open up (new land, path, etc.), to clear, to develop, to open (a file, etc.), to extract (root), to reduce (equation), to cut open (fish), to change (kanji into hiragana), to flare (e.g. skirt), to slacken (into a poor posture)
  • 開き 【ひらき】 opening, gap, dried and opened fish
  • 開き直る 【ひらきなおる】 to become defiant, to fight back, to turn upon, to take the offensive
  • 開ける 【ひらける】 to open out (of a view, scenery, etc.), to spread out, to become clear (of a road, visibility, etc.), to open up, to improve (of luck, prospects, etc.), to get better, to develop (of a town, civilization, etc.), to become civilized, to modernize, to grow, to advance (of knowledge, ideas, etc.), to be sensible, to be understanding, to be enlightened, to open (of a new road, railway, etc.), to be opened to traffic, to become populous, to become densely built, to become bustling
  • 開く 【あく】 to open (e.g. doors), to open (e.g. business, etc.), to be empty, to be vacant, to be available, to be free, to be open (e.g. neckline, etc.), to have been opened (of one's eyes, mouth, etc.), to come to an end, to open (one's eyes, mouth, etc.), to have a hole, to form a gap, to have an interval (between events)
  • 開ける 【あける】 to open (a door, etc.), to unwrap (e.g. parcel, package), to unlock, to open (for business, etc.), to empty, to remove, to make space, to make room, to move out, to clear out, to be away from (e.g. one's house), to leave (temporarily), to dawn, to grow light, to end (of a period, season), to begin (of the New Year), to leave (one's schedule) open, to make time (for), to make (a hole), to open up (a hole)

Readings

Japanese names:
はる、 か、 ひらき
Mandarin Chinese (pinyin):
kai1
Korean:
gae

Spanish

  • abrir
  • desdoblar
  • dar comienzo
  • abrirse
  • estar abierto

Portuguese

  • abrir
  • desdobrar
  • deslacrar

French

  • ouvrir
  • s'ouvrir
  • briser le sceau
171 A Guide To Reading and Writing Japanese (Florence Sakade)
261 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
241 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
80 A New Dictionary of Kanji Usage
4950 Classic Nelson (Andrew Nelson)
550 Essential Kanji (P.G. O’Neill)
270 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1821 Japanese Names (P.G. O’Neill)
2.13 Japanese for Busy People
396 Kanji and Kana (Spahn and Hadamitzky)
400 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
215 Kanji in Context (Nishiguchi and Kono)
1840 Kodansha Compact Kanji Guide
4121 Kodansha Kanji Dictionary (Jack Halpern)
2092 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2835 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1636 Les Kanjis dans la tete (Yves Maniette)
41233 Morohashi
3321 New Japanese English Character Dictionary (Jack Halpern)
6393 New Nelson (John Haig)
1622 Remembering The Kanji (James Heisig)
1750 Remembering The Kanji, 6th edition (James Heisig)
290 The Kanji Way to Japanese Language Power (Dale Crowley)
391 Tuttle Kanji Cards (Alexander Kask)
3855 2001 Kanji
8e4.6 The Kanji Dictionary
3-8-4 SKIP code
7744.1 Four corner code
1-19-11 JIS X 0208-1997 kuten code
958b Unicode hex code