SINCE 1828
aleph-null
noun
\ -ˈnəl
\
\
Definition of aleph-null
: the number of elements in the set of all integers which is the smallest transfinite cardinal number
Keep scrolling for more
Comments on aleph-null
What made you want to look up aleph-null? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Time Traveler Quiz: Which Word Came First?
-
- Which came first?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz -
Slippery Words Quiz—Changing with the Times
Do you know these earlier meanings of words?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
Word Winder's CrossWinder
Play the game
Share aleph-null
Resources for aleph-null