Definition of de Moivre in US English:

de Moivre

noun

Mathematics
  • In the genitive: denoting any of a number of concepts or theorems attributed to or associated with de Moivre; specifically denoting the identity (cos θ + i sin θ)n = cos nθ + i sin nθ, where n is a whole number and i is the square root of −1; chiefly in "de Moivre's formula", "de Moivre's theorem".

Origin

Late 18th century; earliest use found in The Monthly Magazine and British Register. From the name of Abraham de Moivre, French-born British mathematician.

Pronunciation

de Moivre

/də ˈmwɑːvrə/