written by: Joli Ballew•edited by: Daniel P. McGoldrick•updated: 2/24/2009
Photoshop terms that begin with the letter M. Find out about marquee, moire, the Move tool, and more.
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Magic Eraser tool: Lets you erase by clicking with the mouse and erases all pixels similar in color to the area you click on.
Magic Wand tool: Allows you to make a selection automatically, based on a color, without having to physically trace the outline by clicking in a specific area with the mouse. Options for the Magic Wand are set in the options bar.
Magnetic Pen tool: A variation of the Freeform Pen, this Pen tool snaps to the edges of an image, making tracing around an image easy.
Marquee tools: There are four Marquee tools—rectangular, elliptical, single row, and single column. These tools allow you to select portions of an object, file, photo, or subject for editing. These selections must be elliptical, rectangular, circular, or 1 pixel wide or thick.
Menu bar: The bar at the top of the Photoshop interface that contains several headings: File, Edit, Image, Layer, Select, Filter, View, Window, and Help.
Mode: Mode options allow you to control how you want pixels to be affected by the application of the painting or editing tool you choose. Modes, also called blending modes, are generally used for creating special effects.
Moiré: The unwanted addition of patterns on a print or scan. These patterns are usually caused when two similar repetitive grids are placed on top of one another. Screens and their inherent mesh pattern when combined with the halftone dots and their inherent dot patterns can cause the print to have unwanted lines and patterns. You can also get moiré when you scan an image that has already been halftoned, like a photograph from a magazine. If you get moiré patterns when scanning, use a “Descreen" option if one exists, scan the image at twice the final size, and then resize the image as needed and experiment with other settings.
Move tool: Allows you to move a selected part of an image, align layers, and distribute layers in an image. When the Move tool is selected, a box is placed around the selected part of the image. This box can be used to move the selection and edit its shape and size.