present participle of call up

The practice of making unsolicited telephone calls or house calls to potential clients, voters or other groups in order to drum up custom or investigate intentions

(programming) An evaluation strategy whereby an argument to a function is evaluated each time its value is used in the function, and is not evaluated at all if its value is never used.

(programming) An evaluation strategy in which the arguments to a function are evaluated the first time they are used in that function.

(programming) An evaluation strategy in which the arguments to a function are evaluated first, and a pointer to the result is passed to the function.

(programming) An evaluation strategy in which the arguments to a function are evaluated first, and the result is passed into the function.

(programming) An evaluation strategy in which the arguments to a function are evaluated concurrently with the function body.

A visit by a medical professional, especially a physician, to examine a patient in his or her home. / A visit by a repair person or other customer service worker to a customer's home.

(finance) The amount that must be paid by the issuer to a bondholder to call the bond before its maturity.

(Canada, US, slang) An unintentional telephone call made from a cell phone in a back pant pocket due to body movement or sitting down.