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Luminous E-J Dictionary

Luminous E-J Dictionary

EN Luminous E-J Dictionary

JA ルミナス英和・和英辞典 (InApp購入版)

Download on the App Store

At a glance

An in-app-purchase edition of Kenkyusha’s Luminous English–Japanese and Japanese–English dictionaries, each with about 100,000 entries, plus audio.

CategoryEnglish–Japanese Dictionaries
LanguagesEnglish–Japanese
PlatformsiPad/iPhone
Dictionary source研究社
DeveloperEnglish Channel, Inc.

Luminous E-J Dictionary (ルミナス英和・和英辞典, InApp edition) is the in-app purchase version of Kenkyusha’s Luminous English–Japanese and Japanese–English dictionaries. The app is free to download, and new users activate the dictionary with an in-app purchase. Japanese reading ability is required.

Each direction contains around 100,000 entries and more than 50,000 examples, with notes on grammar, usage, and writing. The English–Japanese side includes collocations, paraphrases, etymology, and marks for about 2,000 frequent TOEIC® words and phrases. The Japanese–English side covers a wide range of modern and traditional vocabulary, with short English explanations of Japanese culture and guidance on expressing Japanese ideas in natural English.

The app adds around 90,000 British and American pronunciations from the Longman series, incremental, and wildcard search, flashcards, iCloud bookmarks, widgets, and daily word notifications with TOEIC® and TOEFL® lists.

Key features

App details
CategoryEnglish–Japanese Dictionaries
LanguagesEnglish–Japanese
PlatformsiPad/iPhone
Dictionary source研究社
Version17.0
Updated2026-07-24
Rating4.0 / 5 (31)
DeveloperEnglish Channel, Inc.

Download on the App Store

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