noun
A monolingual English dictionary where definitions are given in English, as opposed to an 英和辞典 (English-Japanese dictionary).
英英辞典を使うと、英語の語彙力が伸びる。
Using an English-English dictionary improves your English vocabulary.
Standard kanji spelling.
Variant using the iteration mark 々 for the second 英.
Compound of 英 (English) + 英 (English) + 辞典 (dictionary). The repetition of 英 indicates that both the headwords and the definitions are in English.