ADC

1. Advice of duration and charge, a telephone service by which the operator advises the caller of the cost of the call he or she has just made, now called Charge Advice (also AD and C)
2. Aide-de-camp
3. Analogue-to-digital converter (computing)

• specialness
• special offer
• specialogue
• specialogues
• special pleading
• specials
• special school
• special schools
• Special Theory of Relativity
• specialties
• special trust
• specialty
• special verdict
• special warranty
• speciate
• speciated
• speciates
• speciating
• speciation
• speciations
• specie
• species
• speciesism
• speciesisms
• speciesist