excipient
Concise Oxford English Dictionary © 2008 Oxford University Press:
excipient /ɛkˈsɪpɪənt/
▶noun an inactive substance that serves as the vehicle or medium for a drug or other active substance.
– origin C18 (as adj. in the sense ‘that takes exception’): from L. excipient-, excipere ‘take out’.
'excipient' also found in these Oxford entries:
