( v. t. )
To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.
( v. t. )
To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012