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oidium

Upper-Intermediate (B2)

IPA: //ɔɪˈdiːəm//

KK: /ɔɪˈdiːəm/

noun
Definition

A type of spore produced by certain fungi, often associated with powdery mildew, particularly in plants like grapes.


Example

The vineyard was affected by oidium, leading to a significant loss of grapes.


Conversation
Sloth A
Have you heard about oidium affecting grapevines this season?
Sloth B
Yeah, I read that it's a common issue for vineyards.
Sloth A
It's crazy how quickly that oidium can spread if not treated.
Sloth B
Exactly! They need to act fast to save their crops.

Synonyms & Antonyms
Synonyms
spore
fungus
mildew
Antonyms
healthy
flourishing
vital
Root Explanation

Oidium comes from the Greek word "oidion" (meaning little form or appearance), which is a diminutive of "eidos" (meaning form or shape). The term refers to a fungal disease characterized by a powdery appearance, resembling a small form of mold.

Memory Tip

Think of 'oidion' meaning a 'little form' — this helps you remember that 'oidium' refers to a small, powdery fungal form.

Visually Confused Words
otidium
odium
oncidium
olpidium
ionidium
gonidium
conidium
sodium
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