trilinear

American  

[trahy-lin-ee-er] / traɪˈlɪn i ər /

adjective

1. of, relating to, or bounded by three lines.

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trilinear British  

/ traɪˈlɪnɪə /

adjective

1. consisting of, bounded by, or relating to three lines

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Etymology

Origin of trilinear

First recorded in 1705–15; tri- + linear

Example Sentences

As frobozz, Giovanni Ciriani and David pointed out, the pouring process can be tracked using trilinear coordinates.

From New York Times • Jul. 30, 2012

By the way, if the trilinear coordinate system in this problem wasn't very intuitive, here's one way to think about it.

From New York Times • Jul. 30, 2012

Straight lines and conics are represented in trilinear and in areal, because in Cartesian, coordinates by equations of the first and second degrees respectively, and these degrees are preserved when the equations are made homogeneous.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

The corresponding equations in areal co-ordinates are readily derived by substituting x/a, y/b, z/c for α, β, γ respectively in the trilinear equations.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" by Various

In trilinear coordinates this line at infinity has for equation aα + bβ + cγ = 0.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various