shadowing

IPA: ʃˈædoʊɪŋ

The effect of being shadowed (in the sense of blocked), as from a light source or radio transmission.
The situation where an individual repeats speech immediately as they hear it (usually through earphones).
(espionage) Secretly or discreetly tracking or following someone, keeping under surveillance.
A faint representation; an adumbration.
(computing) The technique of copying ROM contents to RAM to allow for shorter access times. The ROM chip is then disabled while the initialized memory locations are switched in on the same block of addresses.
(education) A work experience option where students learn about a job by walking through the work day as a shadow to a competent worker.

Examples of "shadowing" in Sentences

The detective spent hours shadowing the suspect, hoping to catch him in the act
The tree cast a long shadowing over the park bench, providing a cool spot to sit on a hot day
The student learned a lot about the business world by shadowing a successful entrepreneur for a day
Shadowing a seasoned firefighter during a busy shift gave the rookie valuable insights into the job
The actress perfected her role by shadowing a real-life doctor to understand the nuances of the medical profession