cochineal

/'kɔtʃini:l/

Thân thiện

A scientist examines a cochineal insect on a cactus pad under a magnifying glass.

Definition

Noun: 1. A small Mexican insect (Dactylopius coccus) that lives on cacti, specifically the prickly pear. The dried bodies of the female insects are used to produce a vivid red or crimson dye. 2. The red dye or pigment itself, derived from crushing these dried insects. It is used as a natural coloring agent in food, cosmetics, and textiles.

Usage

• Referring to the insect:
  • The cochineal is farmed on cactus plantations.
  • Farmers carefully collect the cochineal insects from the cacti.
• Referring to the dye:
  • This strawberry yogurt gets its color from cochineal.
  • Historically, cochineal was a highly valuable trade commodity, more precious than gold.

Advanced Usage

• "Cochineal extract" or "carmine": These are purified forms of the dye used in the food and cosmetic industries. On ingredient labels, it may be listed as E120.
  • Many lipsticks use carmine, a derivative of cochineal, for a long-lasting red color.

Variants and Related Words

• Carmine (n): A specific, deep red pigment made from cochineal.
• Carminic acid (n): The chemical compound in cochineal that produces the red color.

Synonyms

• Carmine (for the dye).
• Natural Red 4 (its official color index name).
• Cactus scale insect (for the insect).

Notes on Different Meanings

The word cochineal almost exclusively refers to the insect-dye system. Its two primary meanings are intrinsically linked: the source (the insect) and the product (the dye). There are no significant idiomatic or phrasal verb uses for this word.

Học thuật

Noun

1. Mexican red scale insect that feeds on cacti; the source of a red dye
2. a red dyestuff consisting of dried bodies of female cochineal insects

Từ đồng nghĩa

• cochineal insect
• Dactylopius coccus