labdanum: a dark brown to greenish oleoresin that has a fragrant odor and is used as a fixative in perfumes; obtained as a juice from certain rockroses
oleoresin: a naturally occurring mixture of a resin and an essential oil; obtained from certain plants
case-fatality proportion: the number of cases of a disease ending in death divided by the number of cases of the disease; usually expressed as a percentage or as the number of deaths per 1000 cases