algicidal

al·gi·cide

 (ăl′jĭ-sīd′)

n.

A substance used to kill or inhibit the growth of algae.

---

[alg(a) + -cide.]

---

al′gi·cid′al (-sīd′l) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

algicidal

(ˌældʒɪˈsaɪdəl)

adj

killing or preventing the growth of algae

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014