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leucocidin

Upper-Intermediate (B2)

IPA: /luːˈkoʊsɪdɪn/

KK: /lʊˈkoʊsɪdɪn/

noun
Definition

A type of toxin produced by certain bacteria that kills or breaks down white blood cells, which are important for the immune system.


Example

Leucocidin is known to contribute to the virulence of some bacterial infections by destroying the body's white blood cells.


Conversation
Sloth A
Have you heard about leucocidin and how it affects the immune system?
Sloth B
Yeah, it's that toxin that can kill white blood cells, right?
Sloth A
Exactly! It's pretty scary how bacteria can produce such harmful substances.
Sloth B
For sure, it's amazing how much we still have to learn about bacteria.

Synonyms & Antonyms
Synonyms
toxoid
exotoxin
antigen
Antonyms
antibody
immunogen
protector
Root Explanation

Leucocidin is formed from "leuko-" (from Greek "leukos", meaning white) and "cidin" (from Latin "caedere", meaning to kill). The word refers to a substance that kills white blood cells.

Memory Tip

Think of 'white' ('leuko-') and 'killing' ('cidin') to remember that leucocidin is a substance that kills white blood cells.

Visually Confused Words
leukocidin
leukocidic
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