al·gi·cide 
(ăljĭ-sīd′)
(ăljĭ-sīd′)n.
A substance used to kill or inhibit the growth of algae.
[ALG(A) + -CIDE.]
al′gi·cidal (-sīdl) adj.
- geomagnetic equator
- geomagnetic pole
- geomagnetic reversal
- geomagnetic storm
- geomagnetism
- geomancer
- geomancy
- geomantic
- geometer
- geometer
- geometric
- geometrical
- geometrically
- geometrician
- geometric isomer
- geometricized
- geometric mean
- geometric pace
- geometric progression
- geometrics
- geometric series
- geometrid
- geometrize
- geometry
- geomorphic