 high_frequency |
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| 1. | [ noun ] (physics) 3 to 30 megahertz | |
| Synonyms: | HF | |
| Related terms: | radio_frequency electromagnetic_spectrum | |
| 2. | [ noun ] (music) a pitch that is perceived as above other pitches | |
| Synonyms: | high_pitch | |
| Related terms: | low_pitch pitch tenor soprano | |
