Photoshop

[ foh-toh-shop ]
/ ˈfoʊ toʊˌʃɒp /

Trademark.

the proprietary name of a brand of computer software used to digitally alter digital photographs or other graphics.

verb (used with object), Pho·to·shopped, Pho·to·shop·ping.

(often lowercase) to digitally alter (a photograph or other graphic) using image-editing software such as Photoshop:Her face is nicely Photoshopped in the ad. They’ve photoshopped the car onto an image of a beautiful beach.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for photoshop

Photoshop

/ (ˈfəʊtəʊˌʃɒp) /

verb -shops, -shopping or -shopped

(tr) to alter (a digital photograph or other image), using an image editing application, especially Adobe Photoshop

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012