Definition of raster in English:

raster

Syllabification: ras·ter
Pronunciation: /ˈrastər
 
/

noun

A rectangular pattern of parallel scanning lines followed by the electron beam on a television screen or computer monitor.
More example sentences
  • For raster scan pattern the correlation of a series of images appears on three different timescales.
  • The tracking routine starts with a fast raster scan of a large area of the sample in which the particle of interest can be observed.
  • Polygonal scanners relay the outbound and return pulse, scanning the scene or target in a raster format.

Origin

mid 20th century: from German Raster, literally 'screen', from Latin rastrum 'rake', from ras- 'scraped', from the verb radere.

Definition of raster in:

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected