impulsor

English

Etymology

From Latin impulsor.

Noun

impulsor (plural impulsors)

1. One who or that which impels; an inciter, an instigator.
   • 1658, Sir Thomas Browne, The Garden of Cyrus:

     Which consisting of two Vectes or armes, converted towards each other, the innitency and stresse being made upon the hypomochlion or fulciment in the decussation, the greater compression is made by the union of two impulsors.

Related terms

• impulse
• impulsion
• impulsive
• impulsively
• impulsiveness

References

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “impulsor”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “impulsor”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Catalan

Etymology

Borrowed from Latin impulsōrem.

Pronunciation

• IPA^(key): (Central, Balearic) [im.pulˈso]
• IPA^(key): (Valencia) [im.pulˈsoɾ]

Adjective

impulsor (feminine impulsora, masculine plural impulsors, feminine plural impulsores)

1. impulsive

Noun

impulsor m (plural impulsors, feminine impulsora, feminine plural impulsores)

1. promoter

Further reading

• “impulsor”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “impulsor”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “impulsor” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “impulsor”, in Diccionari català-valencià-balear (in Catalan)

Latin

Etymology

From impellō +‎ -tor.

Pronunciation

• (Classical Latin) IPA^(key): [ɪmˈpʊɫ.sɔr]
• (modern Italianate Ecclesiastical) IPA^(key): [imˈpul.sor]

Noun

impulsor m (genitive impulsōris, feminine impulstrīx); third declension

1. inciter, instigator

Declension

Third-declension noun.

	singular	plural
nominative	impulsor	impulsōrēs
genitive	impulsōris	impulsōrum
dative	impulsōrī	impulsōribus
accusative	impulsōrem	impulsōrēs
ablative	impulsōre	impulsōribus
vocative	impulsor	impulsōrēs

Descendants

• Catalan: impulsor
• Italian: impulsore
• Portuguese: impulsor
• Spanish: impulsor

References

• “impulsor”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “impulsor”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers

Portuguese

Etymology

Learned borrowing from Latin impulsōrem.

Pronunciation

 

• (Brazil) IPA^(key): /ĩ.puwˈsoʁ/ [ĩ.puʊ̯ˈsoh]

• (Brazil) IPA^(key): /ĩ.puwˈsoʁ/ [ĩ.puʊ̯ˈsoh]
  • (São Paulo) IPA^(key): /ĩ.puwˈsoɾ/ [ĩ.puʊ̯ˈsoɾ]
  • (Rio de Janeiro) IPA^(key): /ĩ.puwˈsoʁ/ [ĩ.puʊ̯ˈsoχ]
  • (Caipira) IPA^(key): /ĩ.puwˈsoɻ/ [ĩ.puʊ̯ˈsoɻ]

 

• (Portugal) IPA^(key): /ĩ.pulˈsoɾ/ [ĩ.puɫˈsoɾ]

• (Portugal) IPA^(key): /ĩ.pulˈsoɾ/ [ĩ.puɫˈsoɾ]
  • (Southern Portugal) IPA^(key): /ĩ.pulˈso.ɾi/ [ĩ.puɫˈso.ɾi]

Adjective

impulsor (feminine impulsora, masculine plural impulsores, feminine plural impulsoras)

1. impulsive; impellent (which impels, drives)

   Synonyms: impulsivo, impelente

Noun

impulsor m (plural impulsores, feminine impulsora, feminine plural impulsoras)

1. impulsor; inciter; instigator

   Synonym: instigador

Further reading

• “impulsor”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Romanian

Etymology

Borrowed from French impulseur.

Noun

impulsor n (plural impulsoare)

1. impeller (of a pump)

Declension

	singular		plural
	indefinite	definite	indefinite	definite
nominative-accusative	impulsor	impulsorul	impulsoare	impulsoarele
genitive-dative	impulsor	impulsorului	impulsoare	impulsoarelor
vocative	impulsorule		impulsoarelor

Spanish

Etymology

From Latin impulsor.

Pronunciation

• IPA^(key): /impulˈsoɾ/ [ĩm.pulˈsoɾ]
• Rhymes: -oɾ
• Syllabification: im‧pul‧sor

Adjective

impulsor (feminine impulsora, masculine plural impulsores, feminine plural impulsoras)

1. driving
2. impulsive

Noun

impulsor m (plural impulsores)

1. impeller

Further reading

• “impulsor”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025