Definition of fuse verb from the Oxford Advanced Learner's Dictionary

     

    fuse

     verb
    verb
    BrE BrE//fjuːz//
     
    ; NAmE NAmE//fjuːz//
     
    Verb Forms present simple I / you / we / they fuse
    BrE BrE//fjuːz//
     
    ; NAmE NAmE//fjuːz//
     
    he / she / it fuses
    BrE BrE//ˈfjuːzɪz//
     
    ; NAmE NAmE//ˈfjuːzɪz//
     
    past simple fused
    BrE BrE//fjuːzd//
     
    ; NAmE NAmE//fjuːzd//
     
    past participle fused
    BrE BrE//fjuːzd//
     
    ; NAmE NAmE//fjuːzd//
     
    -ing form fusing
    BrE BrE//ˈfjuːzɪŋ//
     
    ; NAmE NAmE//ˈfjuːzɪŋ//
     
     
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  1. 1[intransitive, transitive] (formal or specialist) when one thing fuses with another, or two things fuse or are fused, they are joined together to form a single thing fuse (together) As they heal, the bones will fuse together. fuse (into something) Our different ideas fused into a plan. Their lips fused in a passionate kiss. fuse with something The sperm fuses with the egg to begin the process of fertilization. fuse something (into something) The two companies have been fused into a single organization. Atoms of hydrogen are fused to make helium.
  2. 2[intransitive, transitive] fuse (something) (specialist) when a substance, especially metal, fuses, or you fuse it, it is heated until it melts
  3. 3[intransitive, transitive] fuse (something) (British English) to stop working or to make something stop working because a fuse melts The lights have fused. I've fused the lights.
  4. 4[transitive, usually passive] fuse something to put a fuse in a circuit or in a piece of equipment Is this plug fused?
  5. Word Originverb late 16th cent.: from Latin fus- ‘poured, melted’, from the verb fundere.
See the Oxford Advanced American Dictionary entry: fuse