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同一の
dōitsu no
What does "同一の" mean in English?
sameこの二つの文書は同一の内容です。
These two documents have the same content.
How to use "同一の" correctly: definitions and examples in English?
general
Identical or the same in nature, quality, or value.
同一の商品を二つ購入しました。
I bought two of the same product.
同一のパスワードを使い回さないでください。
Please don't reuse the same password.
Often used to emphasize that two or more things are exactly alike.
Related Phrases
Pro Tip
Formal vs. Informal
While '同一の' is more formal, '同じ' is more commonly used in everyday speech.
Gold Rule
Usage with Nouns
'同一の' is typically used before nouns to indicate sameness, e.g., '同一の物' (the same thing).
Word Origin
From Chinese '同一' (tóngyī), meaning 'same' or 'identical'.
Usage Notes
Often used in formal or technical contexts to emphasize exact equivalence. Can be used with nouns, verbs, or adjectives.
Word Breakdown
同
same
root一
one
rootの
possessive particle
suffix和英辞典