An ultrasound performed on a pregnant woman to help determine the chances that the foetus may develop chromosomal conditions such as Down syndrome.

(attributive) A photographic and cinematographic process where a moveable slide, into which a slit has been cut, is inserted between the camera and the subject to be photographed. It can be used to achieve blurriness or deformity, or in creating flowing animations.

plural of scan sheet

(education) A machine-readable sheet of paper on which a student indicates his or her answers to multiple-choice questions.

(retail, chiefly attributive) An electronic system in a supermarket etc. allowing customers to scan the barcodes on their purchases and pay for them without the need for a cashier.

(retail) To use this system.

Alternative form of scancode

The practice, in meditation or relaxation, of mentally focusing on various parts of one's own body.

A scan of a single line. / An image built up from such scans. / (photography) A camera that produces such images.

plural of scan code