algicide

A1L1G2I1C3I1D2E1

noun

A substance that kills, or inhibits the growth of, algae.

“I add algicide to my aquarium to eliminate the green scum of algae that forms on the glass.”

OriginLatin caedō ← Proto-Italic *kaidō ← Proto-Indo-European *kh₂éydeti →
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Meanings

nounalgicide (countable and uncountable, plural algicides)

plural algicides · alternative algaecide · alternative archaic algæcide

  1. countableuncountableA substance that kills, or inhibits the growth of, algae.

    I add algicide to my aquarium to eliminate the green scum of algae that forms on the glass.

Origin

  1. Englishalgae
  2. Proto-Indo-European*kh₂eyd-
  3. Proto-Indo-European*kh₂éydeti
  4. Proto-Italic*kaidō
  5. Latincaedō
  6. Englishalgicide

From algae + -cide.

Full word history & related roots →

Translations

Portuguese algicida
  • algicidasubstance that kills algae
Cite this entry
APA

algicide. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/algicide

MLA

“algicide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/algicide. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “algicide,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/algicide.

Source: algicide on Wiktionary, CC BY-SA 4.0.