scan
The word carries a sense of speed and efficiency, implying a superficial or targeted search rather than a deep, exhaustive analysis. It suggests a visual or mechanical sweep across a surface, where the eye or the sensor ignores the irrelevant parts to isolate a specific target. In medical or technical contexts, the term shifts from a human action to a precise technological process. Here, it implies a comprehensive mapping of an object, transforming a physical entity into a structured data set or a visual representation for diagnosis.
Countable when referring to a specific medical image or a single act of reviewing (a brain scan). Uncountable when referring to the general process of digitizing documents.
Meanings
To examine something quickly to find a specific piece of of information.
"He scanned the crowd for his friend."
To convert a physical document or image into digital data using a device.
"I need to scan these receipts for my taxes."
To look over a text or area rapidly.
"She scanned the horizon for any sign of land."