noun
del
dehl
noun
1
The mathematical symbol (an inverted delta) used for the gradient, divergence, or curl operator in vector calculus.
"The del operator appears throughout the equations of electromagnetism."
How to Use Del
Learner’s notesIn plain EnglishA math symbol used in vector calculus to represent operations like gradient and divergence.
When to use it
A technical term found mainly in physics and advanced mathematics.
Word Forms
dels plural, dels plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “del”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The _____ operator appears throughout the equations of electromagnetism.
Etymology
From "delta," since the symbol is an upside-down delta.