: the bottom of something considered as its foundation. Fruit juice constitutes the basis of jelly. He is on a first-name basis with his customers.

BASIS definition: 1. the most important facts, ideas, etc. from which something is developed: 2. a way or method of…. Learn more.

Basis definition: the bottom or base of anything; the part on which something stands or rests.. See examples of BASIS used in a sentence.

The basis of something is its starting point or an important part of it from which it can be further developed.

1. a bottom or base; the part on which something stands or rests. 2. anything upon which something is based; a fundamental principle. 3. the principal constituent; fundamental ingredient.

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

a basic fact, amount, standard, etc., used in making computations, reaching conclusions, or the like: The nurse is paid on an hourly basis. He was chosen on the basis of his college grades.

Oct 8, 2025 · (topology) A collection of subsets ("basis elements") of a set, such that this collection covers the set, and for any two basis elements which both contain an element of the …

Basis definition: A foundation upon which something rests.

Bases are the plural noun referring to several foundations, substances, or central points, while basis is a singular noun meaning the main supporting principle for something.