herbicide

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Related to weed killer: roundup

herbicide

 [her´bĭ-sīd]
an agent that is destructive to weeds or causes an alteration in their normal growth.

herb·i·cide

(ĕr'bi-sīd)
Any chemical compound designed to kill plants. Herbicides have been used in military operations for deforestation, but the U.S. military excludes herbicides from being classified as chemical-warfare agents.

herbicide

any chemical that kills plants. Herbicides can be highly selective. For example, 2,4-D only kills DICOTYLEDONS (broad-leaved plants), leaving MONOCOTYLEDONS unharmed.
References in periodicals archive ?
"She has relentlessly targeted us with bonfires, weed killer, removed our garden panels and plagued us with silent phone calls.
Croydon Council says weed killer containing the controversial glyphosate may not be used in parks such as Wandle Park
Police investigating the death did find weed killer at the couple's home, but Mr McIntyre pointed out that it had been stored there for at least three years.
Mow the lawn first to break up the garlic and allow penetration of the weed killer.
Cops believe the weed killer, called Round Up and valued at PS400, was stolen between 1pm on Saturday, January 20 and 9am Monday, January 22 during the break in.
Opponents of the ban said it would put Arkansas at a competitive disadvantage with other states that haven't gone as far in restricting the weed killer.
Anthony Drake, by email: We tried chopping them back then we tried weed killer. In the end we had to dig them out.
MILWAUKEE -- The federal government on Friday proposed eliminating restrictions on the use of corn and soybean seeds that are genetically engineered to resist a common weed killer, a move welcomed by many farmers but feared by scientists and environmentalists who worry it could invite growers to use more chemicals.
Summary: TEHRAN (FNA)- Residents of 18 European states were tested positively to traces of glyphosate, a globally used weed killer, a study said.
Surely the council cannot be that short of funds that they cannot at least spray the pavements and gutters with weed killer on a regular basis during the peak growing season?
Paul Francois, the 47-year-old farmer, claimed in his suit that he suffered various health problems--including memory loss, headaches and instability--after he accidentally inhaled Lasso weed killer, a Monsanto product, in 2004.