alkaloid

(al′kă-loyd″)

To hear audio pronunciation of this topic, purchase a subscription or log in.

[alkali + -oid]
Any of a group of organic alkaline substances, e.g. morphine or nicotine, obtained from plants. Alkaloids react with acids to form salts that are used for medical purposes.
alkaloidal (al″kă-loyd′ăl)
To hear audio pronunciation of this topic, purchase a subscription or log in.
, adj.

There's more to see -- the rest of this topic is available only to subscribers.