periodicity: meaning, definition, pronunciation and examples
C1Formal, Academic, Technical
Quick answer
What does “periodicity” mean?
The quality, state, or character of being periodic.
Audio
Pronunciation
Definition
Meaning and Definition
The quality, state, or character of being periodic; recurrence at regular intervals.
The tendency of something to recur or repeat in a predictable cycle, often used in scientific contexts to describe natural phenomena or mathematical functions.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or grammatical differences. Spelling and usage are identical.
Connotations
Identical in both varieties: strongly associated with science, mathematics, and formal analysis.
Frequency
Equally low-frequency in both varieties, confined primarily to technical and academic registers.
Grammar
How to Use “periodicity” in a Sentence
The periodicity of [NOUN PHRASE] is evident.[NOUN PHRASE] exhibits a periodicity of [TIME/MEASUREMENT].Scientists study the periodicity with which [EVENT] occurs.Vocabulary
Collocations
Examples
Examples of “periodicity” in a Sentence
verb
British English
- [No direct verb form. One might 'periodicise' data, but this is exceedingly rare.]
American English
- [No direct verb form. One might 'periodize' a historical analysis, but this is a different, rare word.]
adverb
British English
- The signal pulsed periodically throughout the experiment.
- The data points are sampled periodically.
American English
- The signal pulsed periodically throughout the experiment.
- The data points are sampled periodically.
adjective
British English
- The system displays periodic behaviour every 24 hours.
- They observed a highly periodic signal from the star.
American English
- The system displays periodic behavior every 24 hours.
- They observed a highly periodic signal from the star.
Usage
Meaning in Context
Business
Rare. Might be used in analysis of market cycles or consumer behaviour trends.
Academic
Common in physics, chemistry, biology, mathematics, and earth sciences to describe repeating phenomena.
Everyday
Extremely rare. Would sound overly technical.
Technical
The primary register. Used to describe oscillations, revolutions, waves, or any repeating event with a fixed interval.
Vocabulary
Synonyms of “periodicity”
Vocabulary
Antonyms of “periodicity”
Watch out
Common Mistakes When Using “periodicity”
- Using 'periodicity' to mean 'frequency' in the sense of 'how often' without the implication of a fixed, predictable interval. Confusing it with 'period' (a duration).
FAQ
Frequently Asked Questions
Not exactly. 'Frequency' refers to the rate at which something occurs (e.g., times per second). 'Periodicity' emphasizes the quality of recurring at regular, predictable intervals. A high-frequency event may or may not be periodic.
It is possible but very formal. For example, 'the periodicity of board meetings' is grammatically correct but 'the regularity of board meetings' is more natural in general or business English.
The related adjective is 'periodic' (or 'periodical', though this more often means 'published at regular intervals', like a magazine).
In British English: /ˌpɪə.ri.əˈdɪs.ə.ti/. In American English: /ˌpɪr.i.əˈdɪs.ə.t̬i/. The main difference is the vowel in the second syllable and the 't' sound in the penultimate syllable.
The quality, state, or character of being periodic.
Periodicity is usually formal, academic, technical in register.
Phrases
Idioms & Phrases
- “[No common idioms directly use 'periodicity'. The concept is expressed via phrases like 'like clockwork' or 'in cycles'.]”
Learning
Memory Aids
Mnemonic
Think of a PERIODic table. The elements are arranged with a repeating PATTERN or PERIODICITY in their properties.
Conceptual Metaphor
TIME IS A CYCLE (e.g., 'the periodicity of the seasons').
Practice
Quiz
In which context is the word 'periodicity' LEAST likely to be used appropriately?