also: ふたえ
noun, noun which may take the genitive case particle 'no'
double; twofold; two layers
Describes something consisting of two layers, parts, or repetitions. Common in compounds like 二重構造 (dual structure) and 二重価格 (two-tier pricing).
この窓は二重になっていて、防音効果が高い。
This window is double-layered and has high soundproofing.
二重の基準を設けるべきではない。
We shouldn't set double standards.
prefix
diplo-; dipl-
Technical prefix used in scientific terms, e.g., 二重体 (diplosome). Not productive in everyday language.
「二重」は生物学で「diplo-」の訳語として使われることがある。
二重 is sometimes used as a translation of 'diplo-' in biology.
noun
double eyelid; creased eyelid
Only with reading ふたえ
Abbreviation of 二重まぶた (ふたえまぶた). Refers to an eyelid with a visible crease. The reading ふたえ is standard for this sense.
See also: 二重まぶた (ふたえまぶた)
彼女は二重で、目が大きく見える。
She has double eyelids, which make her eyes look big.
一重か二重かで印象が変わる。
Whether you have single or double eyelids changes your impression.
Compound of 二 (two) and 重 (layer, pile). The reading ふたえ is a native Japanese reading (kun'yomi) of the same characters, now largely restricted to the eyelid sense.