truth table

noun

Definition of truth table 

: a table that shows the truth-value of a compound statement for every truth-value of its component statements also : a similar table (as for a computer logic circuit) showing the value of the output for each value of each input

truth table table

First Known Use of truth table

1920, in the meaning defined above

Keep scrolling for more

Learn More about truth table

Share truth table

Statistics for truth table

Look-up Popularity

Time Traveler for truth table

The first known use of truth table was in 1920

See more words from the same year

More from Merriam-Webster on truth table

Britannica.com: Encyclopedia article about truth table

Comments on truth table

What made you want to look up truth table? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!