(transitive) To put into a couple; to put into, or connect together as, a group of two. / (intransitive) To get into pairs; to become a group of two.

The corrosive cell formed when two different metals are separated by an electrolyte, or the corrosion produced by this effect.

The pair of plates (made of different metals or other conductive materials), and separated by an electrolyte, which form a voltaic cell (in a battery, for example).

(computer science) A low-level interdependent coupling between program modules.

plural of married couple

plural of galvanic couple

plural of voltaic couple

plural of couple-close

(heraldry) A diminutive of the chevron, always borne in closely placed pairs.

(colloquial) To drink enough alcohol to be slightly or moderately drunk.