mono
🇺🇸
/ˈmɑːnəʊ/
🇬🇧
/ˈmɒnəʊ/
relating to sound that comes from only one channel or direction
The old radio had a mono sound system.
a sound system that uses only one channel
The concert was recorded in mono for a nostalgic feel.
a disease that causes swollen lymph nodes and long-term weakness
He was diagnosed with mono, which made him very tired.