rectilinear

 
Pronunciation: /ˌrɛktɪˈlɪnɪə/
(also rectilineal /-nɪəl/)

adjective

  • contained by, consisting of, or moving in a straight line or lines: a rectilinear waveform
  • Photography relating to a straight line or lines: rectilinear distortion
  • Photography (of a wide-angle lens) corrected as much as possible, so that straight lines in the subject appear straight in the image.

Derivatives

rectilinearity

Pronunciation: /-ˈarɪti/
noun

rectilinearly

adverb

Origin:

mid 17th century: from late Latin rectilineus (from Latin rectus 'straight' + linea 'line') + -ar1