different between irregular vs periodic
irregular
English
Etymology
Borrowed from Old French irreguler, from Medieval Latin or Late Latin irr?gul?ris, from in- + regularis, equivalent to ir- +? regular.
Pronunciation
- (General American) IPA(key): /?????j?l?/
Adjective
irregular (comparative more irregular, superlative most irregular)
- nonstandard; not conforming to rules or expectations
- (of a surface) rough
- without symmetry, regularity, or uniformity
- (geometry, of a polygon) not regular; having sides that are not equal or angles that are not equal
- (geometry, of a polyhedron) whose faces are not all regular polygons (or are not equally inclined to each other)
- (grammar, of a word) not following the regular or expected patterns of inflection in a given language
Synonyms
- (nonstandard): abnormal, singular; see also Thesaurus:strange
- (rough): coarse, salebrous; see also Thesaurus:rough
- (without uniformity): unstable, unsteady; see also Thesaurus:unsteady
- (not following the regular patterns of inflection): heteroclite
Antonyms
- regular
Derived terms
Translations
Noun
irregular (plural irregulars)
- A soldier who is not a member of an official military force and who may not use regular army tactics.
- One who does not regularly attend a venue.
Translations
Catalan
Etymology
Borrowed from Late Latin irr?gul?ris.
Pronunciation
- (Balearic, Central) IPA(key): /i.r?.?u?la/
- (Valencian) IPA(key): /i.re.?u?la?/
Adjective
irregular (masculine and feminine plural irregulars)
- irregular
- Antonym: regular
Derived terms
- irregularment
Related terms
- irregularitat
Further reading
- “irregular” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “irregular” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
- “irregular” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
- “irregular” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
Galician
Etymology
Borrowed from Late Latin irr?gul?ris.
Adjective
irregular m or f (plural irregulares)
- irregular
- Antonym: regular
Related terms
- irregularidade
Further reading
- “irregular” in Dicionario da Real Academia Galega, Royal Galician Academy.
Portuguese
Etymology
Borrowed from Late Latin irr?gul?ris.
Adjective
irregular m or f (plural irregulares, comparable)
- irregular; nonstandard
- (grammar) irregular (not following an inflectional paradigm)
Antonyms
- regular
Derived terms
- irregularmente
Related terms
- irregularidade
Further reading
- “irregular” in Dicionário Priberam da Língua Portuguesa.
Spanish
Etymology
Borrowed from Late Latin irr?gul?ris.
Pronunciation
- IPA(key): /ire?u?la?/, [i.re.??u?la?]
Adjective
irregular (plural irregulares)
- irregular, uneven, erratic, haphazard
- patchy, spotty, jagged, ragged
- fitful
- (grammar) (of a verb etc.) irregular
- Antonym: regular
Derived terms
- verbo irregular
Related terms
- irregularidad
- regular
Further reading
- “irregular” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.
irregular From the web:
- what irregular verbs
- what irregular periods
- what irregularities in election
- what irregular periods mean
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- what irregular means
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- what irregular heartbeat means
periodic
English
Alternative forms
- periodick (obsolete)
Etymology 1
From French périodique, from Medieval Latin periodicus (“cyclical”), from Latin periodus (“complete sentence, period, circuit”), from Ancient Greek ???????? (períodos, “cycle, period of time”).
Pronunciation
- (Received Pronunciation) IPA(key): /?p??i??d?k/, /?p??-/
- (General American) IPA(key): /?p??i??d?k/
- Rhymes: -?d?k
- Hyphenation: pe?ri?od?ic
Adjective
periodic (not comparable)
- Relative to a period or periods.
- Having repeated cycles.
- Synonym: cyclic
- Occurring at regular intervals.
- Synonyms: cyclic; see also Thesaurus:periodic
- Periodical.
- (astronomy) Pertaining to the revolution of a celestial object in its orbit.
- Antonym: non-periodic
- (mathematics, stochastic processes, of a state) For which any return to it must occur in multiples of time steps, for some .
- Antonym: aperiodic
- (rhetoric) Having a structure characterized by periodic sentences.
Derived terms
Related terms
Translations
Etymology 2
From per- +? iodic.
Pronunciation
- enPR: "pûr??d'?k, IPA(key): /?p???a???d?k/
Adjective
periodic (not comparable)
- Relating to the highest oxidation state of iodine; of or derived from a periodic acid.
Derived terms
Anagrams
- poricide
Ladin
Adjective
periodic m pl
- plural of periodich
periodic From the web:
- what periodic table
- what periodic element am i
- what periodically means
- what periodic table group is oxygen in
- what periodic group is carbon in
- what periodic table group is fluorine found in
- what periodic table group is aluminum in
- what periodic table group is phosphorus (p) in
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