表層形
開国
カイコク
名詞
開国 (カイコク)
Kaikoku · かいこく — founding a country; opening of a country (e.g. Japan) to the world, ending (a policy of) national seclusion
Other ways to say “founding a country” in Japanese →
開国 in rōmaji: kaikoku.
名詞
普通名詞
サ変可能
*
🔤 * 📐 *
Updated: 2026年8月12日
📖 Grammar Information
| 表層形 (Surface) |
開国
|
|---|---|
| 読み (Reading) |
カイコク
|
| 品詞 (POS) |
名詞・普通名詞・サ変可能・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
開国
|
| 読み・基本形 |
カイコク
|
| 表記・基本形 |
開国
|
| 見出し語の読み |
カイコク
|
💡 English Meaning
開国 means “founding a country; opening of a country (e.g. Japan) to the world, ending (a policy of) national seclusion” — full definition & examples →
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開国
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Reading & Info
カイコク
名詞普通名詞サ変可能*
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Did you know · 名詞
名詞 (nouns) are the backbone of Japanese sentences. They can be combined with particles like が, を, に, で to indicate grammatical role.
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❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (開国) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (開国) is the dictionary base form. For example, 食べた (surface) has the lemma 食べる.
What does the reading (pron) field mean? ▼
The reading shows the pronunciation in hiragana or katakana as recorded by UniDic. For kanji entries this is the standard reading of this specific surface form — which may differ from other readings of the same kanji.
What is UniDic? ▼
UniDic is a comprehensive Japanese lexicon developed by the National Institute for Japanese Language and Linguistics (NINJAL). It provides detailed morphological information for modern Japanese words, used in NLP tools like MeCab.
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