Periderm

Pronunciation: /ˈpɛrɪˌdɜrm/

Definitions of periderm

noun the outer layer of a plant stem, consisting of cork and cork cambium

Example Sentences

A1 The tree's periderm protects it from external damage.

A2 The periderm of the plant helps regulate water loss.

B1 The periderm is the outer layer of tissue in woody plants.

B2 The periderm plays a crucial role in protecting the tree from pathogens.

C1 The periderm undergoes changes as the tree ages, forming different layers.

C2 Researchers are studying the periderm's role in plant defense mechanisms.

Examples of periderm in a Sentence

formal The periderm is the protective outer layer of bark on a tree.

informal Did you know that the periderm helps protect trees from damage?

slang I heard that the periderm is like a shield for trees.

figurative Just like how the periderm shields a tree, we must protect ourselves from negativity.

Grammatical Forms of periderm

• past tense: peridermmed
• plural: periderms
• comparative: more periderm
• superlative: most periderm
• present tense: periderms
• future tense: will periderm
• perfect tense: have peridermed
• continuous tense: is periderming
• singular: periderm
• positive degree: periderm
• infinitive: to periderm
• gerund: periderming
• participle: peridermed

Origin and Evolution of periderm

First Known Use: 1601 year

Language of Origin: Greek

Story behind the word: The word 'periderm' originated from the Greek words 'peri' meaning around, and 'derma' meaning skin.

Evolution of the word: Originally used in botany to refer to the outer layer of bark on a tree, the term 'periderm' has evolved to also encompass the protective outer layer of skin on animals.