Earthworm: Definition, Usage & Key Facts

Meaning 1：soil-dwelling worm (earthworm)

earthworm 🔊

/ˈɜːrθ.wɜːrm/

A long, soft worm that lives in soil and helps make it healthy.

Earthworm diagram: close-up of segmented worm in moist garden soil

soil-dwelling worm 🔊

➕

/sɔɪl ˈdwɛl.ɪŋ wɜːrm/

A long, segmented invertebrate that lives in soil, aerating it and breaking down organic matter to enhance fertility.

📁 Category：Natural Geography 🔖 Level：初级

📘 Details & Usage

📖 Root Explanation

'Earth' (soil) + 'worm' (creature), literally meaning 'soil-dwelling worm'.

💡 Mnemonic

Think: Earth + worm = a worm that lives and works in the earth, like a tiny soil engineer.

📖 Example

When my little sister first saw an earthworm in the garden, she was fascinated by how it moved. 🔊 My younger sister was captivated by the motion of an earthworm she discovered in the garden.

🔗 Collocations

earthworm cast – the nutrient-rich waste produced by earthworms, improving soil structure

earthworm farm – a system for cultivating earthworms, commonly used in vermicomposting

common earthworm – a prevalent species of earthworm, often found in gardens and fields

🔄 Synonyms

nightcrawler (n.) – a large type of earthworm, frequently used as bait in fishing

angleworm (n.) – an alternative name for earthworm, especially in angling contexts

rainworm (n.) – a worm that emerges from soil after rainfall, similar to an earthworm

📖 Cultural Story

The term 'earthworm' derives from Old English 'eorþe' (earth) and 'wyrm' (worm). In modern ecology, it symbolizes soil health and is vital in composting and sustainable agriculture.