n the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it
the invariance of the configuration under translation
n a bloody and prolonged operation on the island of Iwo Jima in which American marines landed and defeated Japanese defenders (February and March 1945)
n the merchandise that a shop has on hand
they carried a vast inventory of hardware they stopped selling in exact sizes in order to reduce inventory
n (accounting) the value of a firm's current assets including raw materials and work in progress and finished goods
n a collection of resources
n making an itemized list of merchandise or supplies on hand
an inventory may be necessary to see if anything is missing they held an inventory every month