EXCHANGE n.
hat is affected by the demand and supply. Exchange is at par when, for example, a bill in New York, for the payment of one hundred pounds sterling in London, can be purchased for the sum. Exchange is in favor of a place when it can be purchased there at or above par. -- Telephone exchange, a central office in which th…
EXOGEN n.
ing a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen. Gray.