RC

build. abbr.

Reinforced Concrete

engin. abbr.

Reinforced Concrete

telecom. abbr.

Remote Control

abbr.

Reconfigurable Computer / Computing (RL)

abbr.

Region Co-ordinator (FidoNet)

abbr.

Release Candidate (MS)

abbr.

Return Code (REXX)

abbr.

Routing Control

acronym

Red Cross

acronym

Regional Center

acronym

Resistor-Capacitor circuit (as in filters)

acronym

Roman Catholic