(mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable"
a number that identifies a position relative to an axis
of equal importance, rank, or degree
bring into common action, movement, or condition; "coordinate the painters, masons, and plumbers"; "coordinate his actions with that of his colleagues"; "coordinate our efforts"
be co-ordinated; "These activities coordinate well"
(of twins) derived from a single egg or ovum; "identical twins are monovular"
coinciding exactly when superimposed; "identical triangles"
having properties with uniform values along all axes
exactly alike; incapable of being perceived as different; "rows of identical houses"; "cars identical except for their license plates"; "they wore indistinguishable hats"
being the exact same one; not any other:; "this is the identical room we stayed in before"; "the themes of his stories are one and the same"; "saw the selfsame quotation in two newspapers"; "on this very spot"; "the very thing he said yesterday"; "the very man I want to see"
not capable of being distinguished or differentiated; "the two specimens are actually different from each other but the differences are almost indistinguishable"; "the twins were indistinguishable"; "a colorless person quite indistinguishable from the colorless mass of humanity"