noun
topsoil
noun
1
The uppermost, most fertile layer of soil.
"Good topsoil is essential for growing healthy vegetables."
"Years of erosion had stripped away most of the topsoil."
How to Use Topsoil
Learner’s notesIn plain EnglishThe rich upper layer of earth that plants grow best in.
Common pairings
fertile topsoil
layer of topsoil
Word Forms
topsoiled past tense, topsoils plural, topsoils singular
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “topsoil”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
Good _____ is essential for growing healthy vegetables.
Etymology
A compound of "top" and "soil".