oftenness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the number of occurrences within a given time period
- the frequency of modulation was 40 cycles per second
- the frequency of his seizures increased as he grew older
• Syn:
frequency, frequence
• Derivationally related forms:
frequent (for: frequence)
• Hypernyms:
rate
• Hyponyms:
audio, audio frequency, radio frequency, infrared, infrared frequency,
wave number, attendance, count per minute, counts/minute, sampling frequency