a reserve or accumulation, as of stock, work, or business:
a backlog of business orders.
a large log at the back of a hearth to keep up a fire.
to hold in reserve, as for future handling or repair.
to enter and acknowledge (an order) for future shipment.
to accumulate in a backlog:
Orders are starting to backlog faster than we can process them.
an accumulation of uncompleted work, unsold stock, etc, to be dealt with
(mainly US & Canadian) a large log at the back of a fireplace
1680s, “large log placed at the back of a fire,” from back (adj.) + log (n.1). Figurative sense of “something stored up for later use” is first attested 1883, but this and the meaning “arrears of unfulfilled orders” (1932) might be from, or suggested by, log (n.2).
back-propagation (Or “backpropagation”) A learning algorithm for modifying a feed-forward neural network which minimises a continuous “error function” or “objective function.” Back-propagation is a “gradient descent” method of training in that it uses gradient information to modify the network weights to decrease the value of the error function on subsequent tests of the inputs. Other […]
- Back-seat driver
an automobile passenger who offers the driver unsolicited advice, warnings, criticism, etc., especially from the backseat. any person who, by means of criticism, unsolicited advice, or the like, interferes in affairs that are not his or her concern or responsibility. noun (informal) a passenger in a car who offers unwanted advice to the driver a […]
the practice of making a loud and effusive display of friendliness, cordiality, etc., as by slapping persons on the back. noun A demonstratively friendly person: Bob and Bill, they’re back-slappers (1924+)
the practice of making a loud and effusive display of friendliness, cordiality, etc., as by slapping persons on the back. to subject to backslapping. to engage in backslapping. a hearty slap on the back given as a token of affability or congratulation: The bridegroom received many a warm handshake and backslap. Historical Examples Only the […]