: 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 is the underlying reason or assumption. The basis of a dictionary is that people are curious to learn the meanings of new words. You are interested, right?

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

Jan 20, 2026 · (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 set, there is a …

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.

Basis definition: A foundation upon which something rests.

Feb 24, 2026 · AI accounting startup Basis has raised $100 million in a Series B round valuing the company at $1.15 billion, as investors pour money into agentic AI systems designed to operate …

Mar 7, 2026 · Basis price defines the cost of a fixed-income security, emphasizing its relation to yield to maturity. Learn how it impacts bond investments.

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