noun plural
Usage: usually capitalized N
Etymology: after John Napier
: five parts of a right spherical triangle including the two legs and the complements of their opposite angles and of the hypotenuse
noun plural
Usage: usually capitalized N
Etymology: after John Napier
: five parts of a right spherical triangle including the two legs and the complements of their opposite angles and of the hypotenuse
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012