echidnine

== English == === Etymology === From Greek ἔχιδνα (ékhidna, “snake, viper”) + -ine. === Noun === echidnine (uncountable) The clear, viscid fluid secreted by the poison glands of certain snakes. (organic chemistry) A nitrogenous base contained in this fluid, believed to be the active poisonous principle of the virus. === References === “echidnine”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.