silkworm
/'silkwə:m/
Học thuậtThân thiện
Definition
- Noun:
- A caterpillar that produces silk: A silkworm is the larval stage of certain moth species, particularly the domestic silkworm moth (Bombyx mori). It is known for spinning a cocoon made of a continuous, strong silk thread.
- A commercially bred insect: Specifically, the silkworm is the hairless, white caterpillar bred for sericulture (silk production). Its cocoon is the primary source of natural silk fiber used in textiles.
Usage Examples
- Noun:
- Farmers raise silkworms to harvest their silk.
- The silkworm spins its cocoon from a single, long strand of silk.
- Silk thread is obtained by unraveling the cocoon of the silkworm.
Advanced Usage
- "Silkworm cultivation": The practice of breeding and raising silkworms for silk production.
- Silkworm cultivation is an ancient industry in many Asian countries.
- "Silkworm moth": The adult stage of the insect, which emerges from the cocoon.
- The silkworm moth does not eat and lives only to reproduce.
Variants and Related Words
- Silk (n): The fine, strong protein fiber produced by silkworms to form their cocoons.
- Her dress was made of the finest silk.
- Sericulture (n): The production of silk and the rearing of silkworms for this purpose.
- He studied the techniques of sericulture.
Synonyms
- Caterpillar: The larval form of a butterfly or moth. (Note: "Silkworm" is a specific type of caterpillar.)
- Larva: The immature, wingless, and often wormlike feeding form of an insect.
Related Phrases
- Silkworm cocoon: The protective case spun by the silkworm larva.
- Each silkworm cocoon contains about 300 to 900 meters of silk filament.
- Silkworm egg: The egg from which a silkworm hatches.
- The silkworm eggs are kept in a controlled environment until they hatch.
Noun
- larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
- the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk