HC -abbr

  1. Holy Communion
  2. House of Commons
  3. hydrocarbon

HCA -abbr

  1. heterocyclic amine

HCF -abbr

  1. highest common factor

HCFC -abbr

  1. hydrochlorofluorocarbon

HCG -abbr

  1. human chorionic gonadotropin

HCL -abbr

  1. high cost of living