(computer security) A method used to crack the password of a touchscreen device by analysing the oily smears left on the device's screen by the user's fingers.

plural of smudge cell

plural of smudge attack

(hematology) cell remnant, most often seen with abnormally fragile lymphocytes in afflictions such as chronic lymphocytic leukemia (CLL), but also occurring in degenerating samples

A disease of the onion caused by the fungus Colletotrichum circinans which causes black concentric rings or smutty spots on the outer scales of the bulb, or rot in the fleshy leaves inside.

plural of smudger

One who, or that which, smudges. / (dated, slang, Britain) A photographer.

Capable of being smudged.

Resistant to smudging.