A regular monomorphism equaliser (mathematics) some parallel pair of morphisms.

The tailplane was mounted about halfway up the fin, supported by a parallel pair of struts.

It was braced to the lower fuselage by a parallel pair of long struts on each side.

It runs on two parallel pairs of tracks laid in the same lanes used by car traffic.

A regular epimorphism coequalizes some parallel pair of morphisms.

Some recent types have a parallel pair of magnetically soft probes that are placed on either side of the conductor.

And the whole output is going out on two wires no bigger than number four, jacketed together like ordinary parallel pair.

Again these were arranged into six banks, now each having 17 parallel pairs of batteries connected in series.

Millikan's and Fletcher's apparatus incorporated a parallel pair of horizontal metal plates.

It was a single bay biplane with simple, parallel pairs of interplane struts.