pes·ti·cide 
(pĕstĭ-sīd′)
(pĕstĭ-sīd′)n.
A substance or agent used to kill pests, such as unwanted or harmful insects, rodents, or weeds.
pes′ti·cidal (-sīdl) adj.
- equation
- equational
- equationally
- equation of time
- equative
- equator
- equatorial
- equatorial bulge
- equatorial coordinate system
- equatorial current
- Equatorial Guinea
- equatorially
- equatorial plate
- equerry
- equestrian
- equestrianism
- equestrianship
- equestrienne
- equi-
- equiangular
- equid
- equidistance
- equidistant
- equidistantly
- equilateral