trilliard

English

From French trilliard, equivalent to tri- (“three”) +‎ -illiard.

trilliard (plural trilliards)

(UK, Australia, dated, rare) One thousand long scale trillions, or one short scale sextillion; equal to 10²¹ (1 followed by twenty-one 0s).
- 1922, Industrial Peace, volume 10, London: St. Catherine Press, page 167:
  We read of milliards, and even trilliards, of roubles, marks, francs and dollars, but we do not comprehend them in the sense of visualising and retaining a clear-cut picture of what the figures really imply.
- 2003, François Cardarelli, Column in a table, Encyclopaedia of Scientific Units, Weights, and Measures: Their SI Equivalences and Origins,
  Power of ten ...UK, France (n rule) million billion billiard trillion trilliard

10²¹, a thousand million million million (a billion trillion) — see also sextillion

**French numbers ^(edit)**
^{[a], [b], [c]} ← 10¹⁵	^{[a], [b], [c]} ← 10¹⁸	10²¹	10²⁴ →	10²⁷ →
Cardinal (traditional spelling): un trilliard, mille milliards de milliards Cardinal (post-1990 spelling): un-trilliard, mille-milliards de milliards Ordinal: trilliardième, millième de milliardième de milliardième
French Wikipedia article on 10²¹

From tri- (“three”) +‎ -illiard.

trilliard m (plural trilliards)