Etymology From Italian fuso and French fusée, from Latin fūsus (“spindle”).
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.1962 October, “Talking of Trains: Passed to you, Mr. Macmillan”, in Modern Railways, page 220:
2
Cellular automata, Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences 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.
Pure sodium is a lustrous metal... it fuses very easily at a temperature of 97°, and distils at a bright red heat (742°...)1891, Dmitri Mendeleev, The Principles of Chemistry (1905) 3rd edition, Vol. 2, p.553, Tr. George Kamensky, of Основы химии (1867)
2
To melt together; to blend; to mix indistinguishably.
That each, who seems a separate whole, Should move his rounds, and fusing all The skirts of self again, should fall Remerging in the general Soul, Is faith as vague as all unsweet: […]1850, [Alfred, Lord Tennyson], “Canto XLVI”, in In Memoriam, London: Edward Moxon, […], →OCLC, page 69:
All these were based broadly on the management framework of the old companies, except that the former Southern and North Eastern Areas of the old L.N.E.R. became separate management units, while the former L.M.S.R. and L.N.E.R. lines north of the Border were fused into a self-contained Scottish Region.1958 January 23, 'Borderer', “Ten Years of British Railways”, in Railway Magazine, page 13:
1 more example
Actually the New York, New Haven and Hartford, Boston & Maine, Maine Central, Bangor & Aroostook and Rutland Railroads already are doing so; if they are fused, they would have a combined route mileage of 5,269 and assets totalling £318 million, [...].1960 January, “Talking of Trains: N.& W.-Virginian merger”, in Trains Illustrated, page 9:
3
To melt together.
4
Astronomy, Natural sciences, Physical sciences, PhysicsErgative To combine through nuclear fusion.
When the bath overflowed, the downstairs lights fused, so we need a torch.
7
Chemistry, Natural sciences, Organic chemistry, Physical sciences 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.