A physical base or foundation.
A starting point, base or foundation for an argument or hypothesis.
A regular frequency.
In a vector space, a linearly independent set of vectors spanning the whole vector space.
Amount paid for an investment, including commissions and other expenses.
An underlying condition or circumstance.
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 third basis element contained in the intersection of the first two, which also contains that element.
The 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.
A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.
A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.
To adopt as, or serve as, a central cohesive source of stability and security.