scanner

The word “scanner” means a device that converts paper documents or images into digital files. In plain terms, a machine that reads something — a document, a barcode, a radio signal, or the inside of your body — and turns it into information.

“Scanner” is pronounced SKA-nuh (/ˈskænɚ/ in IPA).

Here is “scanner” used in a sentence: “He fed the contract through the office scanner.”

“Scanner” is a noun.

“Scanner” is an uncommon word in modern English.

“Scanner” has 4 distinct senses listed in this dictionary. The most common is: a device that converts paper documents or images into digital files.

A scanner converts paper documents or images into digital files that can be stored or edited on a computer, while a copier produces a physical paper duplicate of a document. Many modern office machines combine both functions in a single device.

A barcode scanner reads barcodes at a checkout or in a warehouse to quickly identify products or track inventory, while a document scanner converts entire pages of paper documents or images into digital files. They serve different purposes despite sharing the same general name.

A medical scanner is an imaging device that uses technology such as X-rays or ultrasound to see inside the body without surgery, helping doctors diagnose illness or injury. Common examples include CT scanners and ultrasound scanners.

A police scanner is a radio receiver that sweeps, or scans, across a range of frequencies to automatically pick up transmissions, including police and emergency radio traffic. This constant frequency-sweeping action is where the device gets its name.