Try Our Apps
What is Ghosting?
an ideal in a ring with a multiplicative identity, having the property that when the product of two elements of the ring results in an element of the ideal, at least one of the elements is an element of the ideal.
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
Discover our greatest slideshows
Uncover the mysteries of the marks...
Eight Election Words That Will Fit...
Six words that can ruin your...
The Origins of 8 Classic Summer...
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
Few English speakers likely know this word
Word Value for
Words With Friends
Nearby words for prime ideal
prime interest rate