camphor ball

/'kæmfəbɔ:l/

Thân thiện

A camphor ball sits in a drawer with folded sweaters.

Definition

Noun: A small, solid sphere, typically composed of camphor or naphthalene, designed to sublimate (turn directly from a solid into a vapor) to repel moths and other insects from stored fabrics, especially in closets, drawers, or storage chests.

Usage

Camphor balls are used as a traditional pest deterrent in domestic storage. They are placed among stored items like clothing, woolens, or furs to protect them from damage caused by moth larvae.

Examples

• Noun:
  • She placed several camphor balls in the winter coat storage box to prevent moth damage.
  • The distinct smell in the antique trunk came from old camphor balls.
  • Modern alternatives have largely replaced the use of camphor balls.

Advanced Usage

• "to use camphor balls": The standard phrase for employing this product for its intended purpose.
  • It is advisable to use camphor balls in airtight storage containers for maximum effectiveness.

Variants and Related Words

• Mothball (n): A more common general term for a ball of naphthalene or camphor used to repel moths. "Camphor ball" is a specific type of mothball.
• Naphthalene ball (n): A mothball specifically made from naphthalene, a chemical compound.

Synonyms

• Moth repellent: A general term for any substance used to deter moths.
• Pest deterrent: A broader term for any item used to keep pests away.

Notes on Meaning

The term specifically denotes a spherical form of the repellent. While "mothball" is a near-synonym, "camphor ball" specifies the active ingredient (camphor), which has a different chemical composition and odor profile than naphthalene balls. Both types function similarly.

Học thuật

Noun

1. a small sphere of camphor or naphthalene used to keep moths away from stored clothing

Từ đồng nghĩa

• mothball