tooth

Definition: (1) Surface quality of receiving layer e.g. printing or drawing paper, film or other medium. * Determined by (a) degree of roughness or graininess (b) hardness of substrate (c) degree of randomness of grain (d) adsorptivity, if applied material is wet. (2) Gear-tooh: projection from gear or wheel that engages with another e.g. in a gear-train or a hole or sprocket in roll of film, paper, etc. in order to reel off the roll. * Plural: teeth.

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