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glochidium

Upper-Intermediate (B2)

IPA: /ɡloʊˈkɪdiəm/

KK: /gloʊˈkɪdiəm/

noun
Definition

A type of larva from certain freshwater mussels that attaches to fish using hooks, often living as a parasite during its early development.


Example

The glochidium attaches to the gills of the fish to feed and grow.


Conversation
Sloth A
Have you ever heard of a glochidium?
Sloth B
No, what is that?
Sloth A
It's actually a larva from certain freshwater mussels that can attach to fish.
Sloth B
Wow, that's interesting! I had no idea mussels had such unique life stages.

Synonyms & Antonyms
Synonyms
larva
glochid
parasite
Antonyms
adult
host
mussel
Root Explanation

Glochidium is derived from the Greek word "glochis" (γλόχης) meaning a small hook or barb, combined with the suffix "-idium" (a diminutive suffix in Latin and Greek). The term refers to the larval stage of certain freshwater mussels, which have a small, hook-like structure that helps them attach to fish.

Memory Tip

Think of a 'small hook' ('glochis') that helps the larval mussels attach to fish, which is why 'glochidium' refers to this tiny, hooked larval stage.

Visually Confused Words
onchidium
glaucidium
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