preprocessor

(redirected from Preprocessing directive)
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pre·proc·ess

 (prē-prŏs′ĕs′, -prō′sĕs′)
tr.v. pre·proc·essed, pre·proc·ess·ing, pre·proc·ess·es
To perform preliminary processing on (data, for example).

pre·proc′es·sor n.

preprocessor

(priːˈprəʊsɛsə)
n
(Computer Science) computing a program or device that that alters data to conform with the input requirements of another program