The sthène (French: [stɛn]; symbol sn), sometimes spelled (or misspelled) sthéne[1] or sthene[2] (from Ancient Greek: σθένος, romanized: sthénos, lit.
'force'[3]), is an obsolete unit of force or thrust in the metre–tonne–second system of units (mts) introduced in France in 1919.
[4] When proposed by the British Association in 1876, it was called the funal, but the name was changed by 1914.
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