leadless
Học thuậtThân thiện
Definition
- 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
- not treated with lead
- unleaded gasoline