frequency
number of occurrences or cycles per time
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Summary
frequency is an ISQ derived quantity[1]. frequency has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Subclass of: scalar quantity[3], physical quantity[4], reciprocal duration[5], process profile[6]
- Commons category: Frequency[7]
- Quantity symbol (string): f[8], ν[9]
- Topic's main category: Category:Frequency[10]
- Facet of: repetition[11]
- Described by source: ISO 80000-3:2006 Quantities and units — Part 3: Space and time[12], ISO 80000-3:2019 Quantities and units — Part 3: Space and time[13], Institute of Physics[14], Khan Academy[15]
- Used by: by frequency[16]
- Main Wikidata property: P2144[17]
- Equivalent class: http://purl.org/dc/terms/Frequency[18], https://cwrusdle.bitbucket.io/mds/Frequency[19]
- Different from: letter frequency[20], rotational frequency[21], frequency[22]
- Permanent duplicated item: Q11498076[23]
- On focus list of Wikimedia project: Wikipedia:List of articles all languages should have[24], Wikipedia:Vital articles/Level/4[25]
- Maintained by WikiProject: WikiProject Mathematics[26]
- Recommended unit of measurement: hertz[27], reciprocal second[28]
- Mathematical inverse: period[29]
- P14541: 2niSDT[30]
- P14692: pornography[31]
- P14870: ont00001047[32]
Why It Matters
frequency is known by 43 alternative names across languages and contexts.[33]