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periderm

Upper-Intermediate (B2)

IPA: /ˈpɛrɪdɜrm/

KK: /ˈpɛrɪdɜrm/

noun
Definition

The outer layer of tissue found in woody plants, which includes cork and other protective tissues.


Example

The periderm protects the inner layers of the plant from damage and dehydration.


Conversation
Sloth A
I was reading about plant biology, and I came across the term periderm.
Sloth B
Oh really? What does it refer to?
Sloth A
It's actually the outer layer of tissue in woody plants, like cork.
Sloth B
That sounds interesting! I never knew plants had such a protective layer.

Synonyms & Antonyms
Synonyms
cork
bark
epidermis
Antonyms
core
pith
interior
Root Explanation

Periderm → It is formed from "peri-" (meaning around) and "derma" (meaning skin). The word refers to the outer layer of skin or tissue that surrounds and protects the inner parts of a plant or organism.

Memory Tip

Think of 'peri-' meaning 'around' and 'derma' meaning 'skin' — this helps you remember that periderm refers to the protective outer layer surrounding something.

Visually Confused Words
pteridosperm
perrier
epiderm
derider
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