Having two beats, or a multiple of two beats, in each measure.
Double.
Having two beats in each foot.
Of two sets, having a one-to-one correspondence.
Having the equal ability to combine.
Similar or identical in value, meaning or effect; virtually equal.
Of a map, equal-area.
Equal in measure but not admitting of superposition; applied to magnitudes.
Relating to the corresponding elements of an equivalence relation.
An equivalent weight.
Anything that is virtually equal to something else, or has the same value, force, etc.
To make equivalent to; to equal.