collinear

adjective
col·​lin·​ear | \kə-ˈli-nē-ər, kä-\

Definition of collinear 

1 : lying on or passing through the same straight line

2 : having axes lying end to end in a straight line collinear antenna elements

Other Words from collinear

collinearity \kə-​ˌli-​nē-​ˈer-​ə-​tē, -​ˈa-​rə-​, kä-​ \ noun

First Known Use of collinear

1863, in the meaning defined at sense 1

History and Etymology for collinear

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The first known use of collinear was in 1863

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