(US, military) Used to bring a marching band or group of soldiers to attention.

(computing) Initialism of Microsoft RPC.

An internal combustion engine consisting of a compressor, a combustion chamber, and a turbine, where the turbine mechanically powers the compressor.

Capable of being taught; apt to learn. / Willing to receive instruction or to learn; docile. / That can be taught. / Facilitating teaching; instructive.