(Internet) Initialism of care to chat?

(US) Initialism of Children's Theater Company (Minneapolis)

(Britain) Initialism of City Technology College. / (rail transport) Initialism of Centralized Traffic Control. / (medicine) Initialism of curculating tumor cell. / Initialism of closed timelike curve.

(Australia, film classification) Initialism of Check The Classification (that is given to films to allow advertising prior to their official classification)

plural of CTC

present of CTC

(Internet) Initialism of client-to-client protocol. / (Internet) Initialism of Compound TCP.

(footwear) Initialism of composite toe and composite plate.

(radio) Initialism of continuous tone-coded squelch system.

(genetics, biochemistry) A transcription factor that in humans is encoded by the CTCF gene.