1. a very small magnetic tape cassette used for recording sound, especially in portable dictation machines

Examples

• The reporter used a microcassette recorder to capture the interview.
• She inserted a new microcassette into her dictation machine.
• The microcassette was much smaller than a regular audio cassette.
• He transcribed the notes from the microcassette recording.
• The lawyer kept microcassettes of all client meetings.
• Microcassettes were popular for voice recording before digital devices.