Definition

1. Noun:
   • A synthetic chemical compound belonging to the triazine class, primarily used as a selective herbicide to control broadleaf and grassy weeds in crops such as corn, sorghum, and sugarcane.

Usage

• Atrazine is typically applied to soil or crops before weeds emerge or after they have started to grow.
• It functions by inhibiting photosynthesis in susceptible plants.
• Discussions about atrazine often involve its environmental impact, regulatory status, and potential health effects.

Examples

• The farmer applied atrazine to his cornfield to prevent weed growth.
• Studies on the effects of atrazine in groundwater are ongoing.
• The use of atrazine is controversial due to its persistence in the environment.

Advanced Usage

• Regulatory and Scientific Context: The word is frequently used in scientific literature, environmental policy debates, and agricultural reports.
  • The EPA's review of atrazine focused on its ecological risk assessment.

Variants and Related Words

• Herbicide (n): A general term for substances used to destroy unwanted vegetation. Atrazine is a specific type of herbicide.
• Triazine (n): The class of organic chemical compounds to which atrazine belongs.
• Photosynthesis inhibitor (n): A descriptive term for its mode of action.

Synonyms

• Weedkiller (a more general, informal term)
• Agricultural herbicide (a descriptive synonym)

Notes on Meaning

• The core meaning is specifically tied to its identity as a man-made herbicide. It does not refer to natural substances or other types of pesticides like insecticides or fungicides.
• Its meaning is strongly associated with modern industrial agriculture and the associated environmental and health debates.

Noun

1. a synthetic compound derived from triazine that is widely used as an agricultural herbicide
   • atrazine is thought to cause cancer and is banned in some European countries