Definition of versed sine in English:

versed sine

noun

  • 1Mathematics
    Unity minus cosine.

    • ‘It is a versed sine curve, originally studied by Fermat.’
    • ‘This computation was effected by using the multiples of twice the versed sine formerly employed.’
    • ‘The sector is very similar to the one described in the text, except that it lacks the line of versed sines.’
    • ‘The addition theorems for the hyperbolic secent, cosecent, versed sine, and haversed sine are not interesting.’
    • ‘The greatest of all versed sines is a diameter, as that of all natural sines is a radius.’
  • 2Architecture
    The rise of an arch of a bridge.

Pronunciation:

versed sine

/vəːstˈsʌɪn/