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From Hapal(osiphon) + indole.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any of a group of antibacterial, antimycotic and antialgal alkaloids isolated from the blue-green alga Hapalosiphon fontinalis. Full definition →
From Hapal(osiphon) + indole.
Etymology from Wiktionary, CC BY-SA 4.0.