Dictionary

equilateral

adjective equi·lat·er·al \ˌē-kwə-ˈla-tə-rəl, ˌe-, -ˈla-trəl\

Definition of EQUILATERAL

1
:  having all sides equal <an equilateral triangle> <an equilateral polygon> — see triangle illustration
2
:  having all the faces equal <an equilateral polyhedron>

Origin of EQUILATERAL

Late Latin aequilateralis, from Latin aequi- + later-, latus side — more at lateral
First Known Use: 1570

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, exponent, hypotenuse, logarithm, oblique, radii, rhomb
EQUILATERAL Defined for Kids

equilateral

adjective equi·lat·er·al \ˌē-kwə-ˈla-tə-rəl, ˌe-kwə-\

Definition of EQUILATERAL for Kids

:  having all sides or faces equal <an equilateral triangle>

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July 04, 2015
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