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crustacean

Intermediate (B1)

IPA: /krʌˈsteɪʃən/

KK: /ˈkrʌstəˌseɪən/

adjective
Definition

Relating to a large group of aquatic animals that have a hard outer shell, such as crabs, lobsters, and shrimp.


Example

The crustacean species found in this area include various types of crabs and shrimp.


Conversation
Sloth A
Did you know that lobsters are a type of crustacean?
Sloth B
Really? I had no idea they belonged to that group.
Sloth A
Yeah, and there are so many other crustacean species too, like crabs and shrimp.
Sloth B
That's fascinating! I should learn more about them.

Synonyms & Antonyms
Synonyms
shellfish
marine
aquatic
Antonyms
terrestrial
land
freshwater
noun
Definition

A type of animal that lives mostly in water and has a hard outer shell. Examples include crabs, lobsters, and shrimp.


Example

The restaurant served a delicious dish made with fresh crustaceans.


Conversation
Sloth A
Have you ever tried a dish with crustacean in it?
Sloth B
Yeah, I love crab! It's so delicious.
Sloth A
I was thinking of making shrimp tacos this weekend.
Sloth B
Root Explanation

Crustacean → It is formed from "crusta" (meaning shell) and the suffix "-acean" (indicating belonging to or related to). The word "crustacean" refers to animals that have a hard shell or exoskeleton, such as crabs and lobsters.

Memory Tip

Think of 'crusta' meaning shell, which helps you remember that crustaceans are creatures with hard shells.

Visually Confused Words

No commonly confused words.

Is this page helpful?
That sounds amazing! I can't wait to try them.

Synonyms & Antonyms
Synonyms
arthropod
lobster
crab
Antonyms
mollusk
fish
insect