Definitions
1.NounA physical base or foundation.
2.NounA starting point, base or foundation for an argument or hypothesis.
3.NounAn underlying condition or circumstance.
4.NounA regular frequency."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."
5.NounThe difference between the cash price a dealer pays to a farmer for his produce and an agreed reference price, which is usually the futures price at which the given crop is trading at a commodity exchange.
6.NounIn a vector space, a linearly independent set of vectors spanning the whole vector space.
7.NounAmount paid for an investment, including commissions and other expenses.
8.NounA 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 third basis element contained in the intersection of the first two, which also contains that element."The collection of all possible unions of basis elements of a basis is said to be the topology generated by that basis."
9.Noun1 2 “basis” listed in the Oxford English Dictionary [2 Ed.; 1989]