It is possible that, in electronic dictionaries at least, the need for a controlled defining vocabulary will disappear.
The specific meaning of handheld "electronic Japanese dictionary" became popular in the early 1980s.
However, their company might have developed its own electronic dictionary.
Outside the classroom materials they developed electronic dictionaries and how-to guides.
One electronic dictionary uses speech synthesis to correctly pronounce its words.
When everybody finished their class assignment, I was still looking for the definitions of the new words using my electronic dictionary.
Some on-line or electronic dictionaries provide recordings of words being spoken.
Imagine that a program uses an electronic dictionary to check grammar in a text.
Other uses could be integrated into electronic dictionary or phrasebook applications.
It is often used in electronic dictionaries to enable learners to find out how words are pronounced.