fuse

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fuse¹

  • /fjuːz/

Sounds like fuze · Rhymes with -uːz

Where it comes from

From Italian fuso and French fusée, from Latin fūsus (“spindle”).

noun fuses

  1. A wick or cord used to convey flame to gunpowder, a bomb, or similar explosive. The Government, having lit the fuse, is not going to be allowed to flee the explosion.

    Similar: fusee, match

  2. An otherwise stable arbitrarily long repeating pattern that, when perturbed from one end, destructively carries that perturbation at a constant speed to the other end.
  3. alternative, proscribed, sometimes Alternative spelling of fuze, a detonator, any mechanism igniting an explosive substance or device.
  4. figuratively A tendency to lose one's temper. When talking about being laid off, he has a short fuse.
  5. A friction match for smokers' use, having a bulbous head which when ignited is not easily blown out even in a gale of wind.

    Similar: fusee

  6. A match made of paper impregnated with niter and having the usual igniting tip.

verb fuses · fusing · fused

  1. To furnish with a fuse, to install a fuse on.
  2. alternative, proscribed, sometimes Alternative spelling of fuze, to equip with a detonator.

fuse²

  • /fjuːz/

Sounds like fuze · Rhymes with -uːz

Where it comes from

Back-formation from fusion (“to melt”), first to verbal sense, then noun.

noun fuses

  1. A device to prevent excessive overcurrent from overload or short circuit in an electrical circuit, containing a component that melts and interrupts the current when too high a load is passed through it.

verb fuses · fusing · fused

  1. transitive To liquify by heat; melt. Pure sodium is a lustrous metal... it fuses very easily at a temperature of 97°, and distils at a bright red heat (742°...)
  2. transitive To melt together; to blend; to mix indistinguishably. sensations and ideas fusing intimately together
  3. intransitive To melt together.

    Similar: meld, smelt

  4. ergative To combine through nuclear fusion.
  5. transitive To furnish with or install a fuse in (a circuit) to protect against overcurrent.
  6. intransitive, of a circuit To stop operating, having been protected against overcurrent by its fuse blowing. When the bath overflowed, the downstairs lights fused, so we need a torch.
  7. To form a bicyclic compound from two similar or different types of ring such that two or more atoms are shared between the resulting rings.

Thesaurus

Closest in meaning: fuze, fusee, fuzee, mix, immix, blend, commingle, meld, coalesce, conflate, merge, combine, primer, electrical fuse, detonator, igniter

Translations

Every language

noun wick or cord used to convey flame to an explosive

Españolmecha
한국어도화선 dohwaseon
日本語導火線 dōkasen
中文導火線 /导火线 dǎohuǒxiàn, 導火索 /导火索 dǎohuǒsuǒ, 引火線 /引火线 yǐnhuǒxiàn, 引線 /引线 yǐnxiàn
Portuguêspavio, rastilho
Françaiscordeau, mèche
DeutschZündschnur
Italianomiccia
Ελληνικάθρυαλλίδα thryallída, φιτίλι fitíli
Русскийфити́ль fitílʹ, огнепрово́дный шнур ogneprovódnyj šnur
العربيةفَتِيل fatīl

noun detonator

Españolespoleta, espiga
한국어신관 sin'gwan
日本語信管 shinkan
中文引信 yǐnxìn, 信管 xìnguǎn
Portuguêspavio
Françaisdétonateur
DeutschZünder
Italianomiccia, innesco, detonatore
Ελληνικάθρυαλλίδα thryallída, εμπύρευμα empýrevma
Русскийзапа́л zapál, детона́тор detonátor

noun tendency to lose one's temper

Españolmecha
Françaisplomb

noun device preventing overload of a circuit

Españolfusible, fius
한국어퓨즈 pyujeu
日本語ヒューズ hyūzu
中文保險絲 /保险丝 bǎoxiǎnsī
Portuguêsfusível
Françaisfusible, plomb
DeutschSicherung
Italianofusibile
Ελληνικάτηκτασφάλεια tiktasfáleia
Русскийпла́вкий предохрани́тель plávkij predoxranítelʹ, про́бка próbka
Tiếng Việtcầu chì
العربيةمُنْصَهِرَة munṣahira, مصهر miṣhar

verb transitive: to melt together

Españolfundir, fusionar
中文熔化 rónghuà, 混合 hùnhé
Portuguêsfundir
Françaisfondre
Deutschverschmelzen
Italianofondere
Ελληνικάτήκω tíko, λιώνω lióno
Русскийсплавля́ть splavljátʹ
עבריתמִזֵּג mizzég

verb intransitive: to melt together

Españolfusionarse, fundir
中文熔化 rónghuà, 混合 hùnhé
Françaisfusionner
Deutschverschmelzen
Italianofondersi
Ελληνικάτήκομαι tíkomai
Русскийсплавля́ться splavljátʹsja, слива́ться slivátʹsja, сли́ться slítʹsja
עבריתהִתְמַזֵּג hitmazzég

verb transitive: to furnish with a fuse

中文裝引信 /装引信 zhuāng xìnguǎn
Deutschabsichern
Русскийпредохранять predoxranjatʹ

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MLA

"fuse." Wiktionary, via Micwyn, micwyn.com/word/fuse. Accessed 6 Nov. 2026.

APA

fuse. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fuse

Chicago

"fuse." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fuse.

BibTeX
@misc{fuse_2026,
  title = {fuse},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fuse},
  urldate = {2026-11-06}
}