Encyclopedia · Fuzes, primers, and ignition

Fuze and fuse terminology

In ordnance the spelling fuze is generally used for the igniting device fitted to a projectile, while fuse often denotes a simple burning cord or match. The terms are easily confused.

Also known as: fuze vs fuse.

FuzeThe igniting device of a projectile (time, percussion, combination, concussion)
FuseOften a simple burning cord or match
NoteUsage varies; the spellings are commonly confused

A note on the words

In the language of ordnance, fuze commonly denotes the device fitted to a projectile to fire its bursting charge, whether a time, percussion, combination, or concussion fuze, while fuse often refers to a simple burning cord, such as a length of slow match or a safety fuse.

The two spellings are easily confused, and period and modern writers do not always keep them distinct, so both appear in the records. This site uses fuze for the projectile's igniting device.

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Sources & further reading

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