The infinity symbol ∞, described as a "sideways figure eight", is unrelated to the digit 8 in origin; it is first used (in the mathematical meaning "infinity") in the 17th century, and it may be derived from the …

Dec 8, 2021 · The number 8 plays a significant role in the world around us. So that's why we've put together the top ten facts all about the number 8.

"Section 8" is common U.S. slang for "crazy," based on the U.S. military's Section 8 discharge for mentally unfit personnel. In China, "8" is used in chat speak as a term for parting.

The meaning of EIGHT is a number that is one more than seven. How to use eight in a sentence.

The meaning and symbolism of number 8. Lots of fun facts about the number eight. Discover why number 8 is an extremely lucky number.

"8." Vocabulary.com Dictionary, Vocabulary.com, https://www.vocabulary.com/dictionary/8. Accessed 04 Feb. 2026. loading examples...

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

The little ones will learn how to trace number 8, how to pronounce it and also how to count with a series of super fun examples. How many ...more. Comments are turned off. Learn more. Educational...

In Chinese culture, the number 8 is considered the luckiest number of all, and is purposefully worked into wedding dates, birth dates, addresses, and finances.

Dec 9, 2025 · Used in the formation of several text messaging slang forms of words with /eɪt/ in them, due to it being the pronunciation of eight in English. See also h8, m8, gr8.