a radio-frequency band or radio frequency lying between 3000 and 300 kilohertz
Abbreviation: MF
WordReference Random House Unabridged Dictionary of American English © 2025
me′dium fre′quency, [Radio.]
- Radio and Televisionany frequency between 300 and 3000 kilohertz. Abbr.: MF
- 1915–20
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'medium frequency' also found in these entries (note: many are not synonyms or translations):