noun
Meaning 1
Agitation; the state of being perturbed.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
perturbation
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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rhymes with -eɪʃən
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CMU ARPABET: P ER2 T ER0 B EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
noun
Meaning 2
A small change in a physical system, or more broadly any definable system (such as a biological or economic system).
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 3
Variation in an orbit due to the influence of external bodies.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: astronomy, natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 4
the act of causing disorder
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: disruption
Antonyms: none provided
Broader terms: disturbance
Narrower terms: dislocation, breakdown, surprise, surprisal
noun
Meaning 5
a disposition that is confused or nervous and upset
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: fluster
Antonyms: none provided
Broader terms: discomposure
noun
Meaning 6
activity that is a malfunction, intrusion, or interruption
Definition source: Princeton WordNet 3.0
Examples
- the term `distress' connotes some degree of perturbation and emotional upset
- he looked around for the source of the disturbance
- there was a disturbance of neural function
Meaning relationships
Synonyms: disturbance
Antonyms: none provided
Broader terms: activity
Narrower terms: fuss, trouble, bother, hassle, magnetic storm
noun
Meaning 7
(physics) a secondary influence on a system that causes it to deviate slightly
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: influence
Narrower terms: variation
noun
Meaning 8
an unhappy and worried mental state
Definition source: Princeton WordNet 3.0
Examples
- there was too much anger and disturbance
- she didn't realize the upset she caused me
Meaning relationships
Synonyms: disturbance, upset
Antonyms: none provided
Broader terms: agitation
History
Etymology
Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio.
Across languages
Translations
37 source translations are retained for this English entry.
- Azerbaijani: çaxnaşma — agitation
- Bulgarian: смущение (smuštenie) — agitation
- Catalan: pertorbació — agitation
- Finnish: häiriö — agitation
- French: perturbation — agitation
- German: Störung — agitation
- Hungarian: zavar — agitation
- Irish: corraí — agitation
- Italian: perturbazione — agitation
- Malayalam: അസ്വസ്ഥത (asvasthata) — agitation
- Polish: perturbacja — agitation
- Portuguese: perturbação — agitation
- Russian: смяте́ние (smjaténije) — agitation
- Spanish: perturbación — agitation
- Swedish: bestörtning — agitation
- Esperanto: perturbo — a small change in a physical system or any definable system
- Finnish: poikkeuma — a small change in a physical system or any definable system
- Finnish: poikkeutus — a small change in a physical system or any definable system
- Finnish: häiriö — a small change in a physical system or any definable system
- Hungarian: perturbáció — a small change in a physical system or any definable system
- Ido: perturbo — a small change in a physical system or any definable system
- Italian: perturbazione — a small change in a physical system or any definable system
- Macedonian: растројување (rastrojuvanje) — a small change in a physical system or any definable system
- Polish: perturbacja — a small change in a physical system or any definable system
- Russian: пертурба́ция (perturbácija) — a small change in a physical system or any definable system
- Spanish: perturbación — a small change in a physical system or any definable system
- Finnish: poikkeuma — variation in an orbit
- Finnish: poikkeutus — variation in an orbit
- Hungarian: perturbáció — variation in an orbit
- Italian: perturbazione — variation in an orbit
- Japanese: 摂動 (setsudō) — variation in an orbit
- Macedonian: растројување (rastrojuvanje) — variation in an orbit
- Macedonian: пертурбација (perturbacija) — variation in an orbit
- Polish: perturbacja — variation in an orbit
- Russian: пертурба́ция (perturbácija) — variation in an orbit
- Russian: возмуще́ние (vozmuščénije) — variation in an orbit
- Spanish: perturbación — variation in an orbit