frequency

• اسم يدل على معدل تكرار حدوث شيء ما أو وقوعه خلال فترة زمنية معينة، أو عدد الدورات أو الذبذبات في وحدة الزمن في موجة أو اهتزاز. ويُستعمل أيضًا للإشارة إلى شيوع الشيء وانتشاره.

A noun referring to the rate at which something occurs or is repeated over a particular period of time, or the number of cycles per unit time in a wave or oscillation.

1. Rate of occurrenceB1formal

   The number of times something happens within a specific period.

   تكرار الحدوث

   • The frequency of earthquakes in this region is increasing.
   • We measured the frequency of customer complaints.
   • The doctor asked about the frequency of his headaches.

   المرادفاتcommonnessincidenceoccurrenceprevalencerateregularity

   الأضدادinfrequencyrarity

2. Physics: wave cyclesB2formalscientific

   The number of cycles per second of a wave, measured in hertz.

   التردد

   • Radio waves have a specific frequency for transmission.
   • The frequency of sound determines its pitch.
   • Scientists adjusted the frequency of the signal.

3. Statistics: data distributionB2formalscientific

   The number of times a particular value appears in a dataset.

   التكرار

   • The frequency table shows how often each score occurred.
   • We calculated the relative frequency of each category.
   • High frequency data points are plotted on the graph.

   المرادفاتcountincidenceoccurrencetally