TCD

TCD can be used as:
 * Chad (ISO 3-letter country code)
 * Task completion date
 * Teller cash dispenser
 * Tentative channel designation
 * Thalamocortical dysrhythmia
 * The College Dropout, the debut studio album by Kanye West
 * Thermal conductivity detector, used in gas chromatography
 * Thousand cankers disease
 * Transcranial Doppler, a blood flow test
 * Transport de Chalands de Débarquement, a type of French Navy ship
 * Trinity College Dublin
 * The Chambers Dictionary
 * T cell depletion
 * Tricyclodecane, a chemical compound used as jet fuel
 * Total Christian Death