isograph

noun iso·graph \ -ˌgraf , -rȧf \

Definition of isograph

plural -s

1 : an instrument consisting of two short straightedges connected by a large circular joint marked with angular degrees that combines the functions of a protractor and a set square

2 : an electronic calculator for finding both real and imaginary roots of algebraic equations

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with: