Soil
UK /["/sɔɪl/"]/US /["/sɔɪl/"]/
Definition
the top layer of the earth in which plants, trees, etc. grow
In simple words: The top layer of earth where plants grow.
Examples
- The soil in this area is very rich and fertile.
- Farmers often test the soil to determine its nutrient content.
- Erosion can damage the soil, leading to decreased agricultural productivity.
- Plants need healthy soil to grow and thrive.
- The scientist studied the soil samples to understand the ecosystem.
Usage notes
Use 'soil' when referring to the ground where plants grow. Avoid using it in very technical contexts without specifying. 'Soil' is appropriate in gardening, farming, and environmental discussions.
Grammar pattern
standalone noun
Memory hint
Think of 'soil' as 'so-il', like a garden full of plants.
Collocations
- deep
- shallow
- thin
- cultivate
- enrich
- improve
- conservation
- degradation
- erosion
- in (the) soil
- native
- foreign
- American
- set foot on
- on…soil
- on home soil
Synonyms
- earth
- dirt
- land
- ground
- humus
Antonyms
- rock
- concrete
- urban land
Common mistakes
- Confused with 'dirt' - dirt is often seen as unclean.
- Used in singular form incorrectly as a mass noun.
- Mixed up with 'ground', which refers to the surface of the earth.