The number eight plays a central role in chemistry, particularly in the context of the octet rule (also known as the eight-electron rule).

EIGHT definition: a cardinal number, seven plus one. See examples of eight used in a sentence.

She was eight (years old) when her family moved here. We've got eight people coming to dinner.

1. a cardinal number, seven plus one.

Dec 29, 2025 · (playing cards) Any of the four cards in a normal deck with the value eight. (nautical) A light, narrow rowing boat, especially one used in competitive rowing, steered by a …

Definition of eight in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

something numbered eight or having eight units, as a playing card, throw of dice, etc.

Eight is the dimension of the octonions and is the highest possible dimension of a normed division algebra. The number 8 is involved with a number of interesting mathematical phenomena …

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

Dinner is at eight. He's working until eight. Eight (of them) passed the test.