host-specific: Meaning and Definition of

host-spe•cif•ic

Pronunciation: (hōst'spi-sif'ik), [key]
— adj.
  1. capable of living solely on or in one species of host, as a parasite that infests only chickens.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.