1. a relation that provides the foundation for something

- he worked on an interim basis

Similar word(s): footing, ground

Definition categories: link, foundation

2. the fundamental assumptions from which something is begun or developed or calculated or explained

- the whole argument rested on a basis of conjecture

Similar word(s): base, cornerstone, foundation, fundament, groundwork

Definition categories: thought, assumption, supposal, supposition

3. the most important or necessary part of something

- the basis of this drink is orange juice

Similar word(s): base

Definition categories: link, component, constituent, part, portion

Sentences with basis as a noun:

- You should brush your teeth on a daily basis at minimum.

- The flights to Fiji leave on a weekly basis.

- Cars must be checked on a yearly basis.

- The collection of all possible unions of basis elements of a basis is said to be the topology generated by that basis.