succinic acid
Concise Oxford English Dictionary © 2008 Oxford University Press:
succinic acid /sʌkˈsɪnɪk/
▶noun Biochemistry a crystalline organic acid which occurs in living tissue as an intermediate in glucose metabolism.
– origin C18: from Fr. succinique, from L. succinum ‘amber’ (from which it was first derived).
'succinic acid' also found in these Oxford entries:

