Definition

1. Noun:
   • Crustacean: A member of a large class (Crustacea) of arthropods, primarily aquatic invertebrates, characterized by a hard exoskeleton (shell), a segmented body, and paired, jointed limbs. Examples include crabs, lobsters, shrimp, and barnacles.

Usage Examples

• Noun:
  • Tôm và cua là những loài giáp xác phổ biến. (Shrimp and crabs are common crustaceans.)
  • Giáp xác thường có lớp vỏ cứng bảo vệ cơ thể. (Crustaceans often have a hard shell protecting their body.)
  • Nhiều loài giáp xác sống ở biển. (Many crustacean species live in the sea.)

Advanced Usage

• The term "giáp xác" is used in scientific and biological contexts to categorize a specific taxonomic group. It is not typically used in metaphorical or idiomatic expressions.

Variants and Related Words

• Động vật giáp xác: This is a fuller, more formal term meaning "crustacean animal."
  • Động vật giáp xác đóng vai trò quan trọng trong chuỗi thức ăn. (Crustacean animals play an important role in the food chain.)

Synonyms

• Crustacean: The direct and primary English equivalent.
• Shellfish (Note: This is a culinary and broad biological term that often includes crustaceans like shrimp and crab, but also mollusks like clams. It is a near-synonym in common usage but not a precise scientific synonym.)

Related Terms (Scientific Context)

• Arthropod: The larger phylum (Arthropoda) to which crustaceans belong, which also includes insects, arachnids, and others.
• Exoskeleton: The hard external shell characteristic of crustaceans.
• Decapod: A major order of crustaceans (Decapoda) characterized by ten limbs, including crabs, lobsters, and shrimp.

1. (ddo^.ng) Crustacean
   • Cua, tôm là những loài giáp xác
     Crabs, lobsters are crustaceans