Definition

1. Adjective:
   • Not containing or treated with lead: Describes a substance, material, or product that does not have lead added to it or has not been processed using lead.

Examples of Usage

• Adjective:
  • The country has mandated the use of leadless gasoline to reduce air pollution.
  • For safety, ensure you purchase leadless paint for the children's room.

Advanced Usage

• Technical/Environmental Context: The term is often used in environmental science, public health, and manufacturing to specify materials that are free from lead contamination, which is toxic.
  • The new regulations require all plumbing fixtures to be made from leadless materials.

Variants and Related Words

• Unleaded (adj): The more common synonym, especially for gasoline/petrol.
  • Please fill the tank with unleaded fuel.
• Lead-free (adj): A direct synonym, often used interchangeably with "leadless."
  • This is a lead-free solder.

Synonyms

• Unleaded
• Lead-free
• Non-leaded

Antonyms

• Leaded
• Lead-treated

Notes on Usage

• "Leadless" is a less frequent term than its synonyms "unleaded" and "lead-free." It is primarily used in technical or formal writing.
• It is an adjective and typically comes before a noun (e.g., leadless paint, leadless glaze).

Adjective

1. not treated with lead
   • unleaded gasoline