Tri-linear scanner
From The Glossary of Digital Photography
A scanner that uses a tri-linear array as the scan head, allowing the scanner to produce a full-color image scan in a single pass. See also tri-linear array

ONLINE GLOSSARY OF DIGITAL PHOTOGRAPY
A scanner that uses a tri-linear array as the scan head, allowing the scanner to produce a full-color image scan in a single pass. See also tri-linear array