Definition of algicide in English:
 algicide
noun ˈaldʒɪsʌɪdˈalɡɪsʌɪdˈældʒəˌsaɪd
A substance which is poisonous to algae.
 Example sentencesExamples
-  Iodine is, however, ineffective as an algicide.
 -  ‘We're also looking at other algicides,’ notes Anderson.
 -  Better help may be on the horizon for many catfish farmers in the form of a natural-based algicide that kills blue-green algae but is much safer for other pond life.
 -  The algicide targets Oscillatoria perornata, a species of cyanobacteria prevalent in Mississippi.
 -  Aquatic herbicides and algicides have been used successfully for several decades.