What does "alkaloid" mean?

Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.

How do you pronounce "alkaloid"?

Pronounced //ˈæl.kə.lɔɪd//.

Common synonyms include: basic nitrogen compound, cinchonine, colchicine, drug, medicinal agent, natural alkaloid.

/ˈæl.kə.lɔɪd/ adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.
"The Aspidosperma alkaloids are the largest group of indole alkaloids."
2
natural bases containing nitrogen found in plants wordnet

Adjective

"Daffodils contain a toxic alkaloid that may even be lethal when ingested in high quantities."

From alkali + -oid. Compare French alcaloïde.