base 1 [bayss ] noun (plural bas·es)
1. lowest part: the lowest, bottom, or supporting part or layer of something
2. lower part of built structure: the lower part of a built structure, for example , a wall, pillar, or column, regarded as a separate feature
3. main supporting element: the main source of an important component in an economy or sphere of influence improve our customer base
4. fundamental principle: the main principle or starting point of a system or theory
5. center from which activities start: a center from which activities start or are coordinated
6. military center: a coordinating or supply center for military operations
7. main ingredient: a main ingredient to which others are added
8. solvent: a medium in which ingredients or constituents may be dissolved or carried
9. attaching part of organ: the part of an organ or body part by which it is attached to a more central structure of an organism
10. lower part of heraldic shield: the lower part of a heraldic shield
11. GRAMMAR stem of word: in morphology, any part of a word regarded as a unit to which affixes or other bases may be added to form a derived word. For example, "paint" is the base of "painter" and "repaint."
12. MATHEMATICS reference number: the number that is the basis for a system of calculation, represented by the total countable digits in the system. The base 10 system contains the ten digits 0-9.
13. MATHEMATICS logarithm reference: a number raised to a power denoted by a superscript. In the equation 102 = 100, 10 is the base. Natural logarithms have a base e (= 2.718).
14. GEOMETRY lower side of figure: the lower side or face of a geometric figure
15. MEASUREMENTS See baseline n.1
16. lowest stock price: the lowest recorded price level of a tradable commodity or security
17. CHEMISTRY chemical compound: a chemical compound having a pH value between 8 and 14 that reacts with acids to form salts
18. CHEMISTRY chemical compound forming covalent bond: a chemical compound that can accept a proton or donate a pair of electrons to form a covalent bond with an acid
19. PHOTOGRAPHY film foundation: an inert medium supporting the photographic emulsion of films
20. ELECTRICAL ENGINEERING middle region of transistor: the middle region of a transistor between the emitter and the collector
21. BASEBALL field marker: any one of the four corners of the diamond-shaped infield that a batter must touch in order to score a run. Also called bag
transitive verb (past based, past participle based, present participle bas·ing, 3rd person present singular bas·es)
1. make a base: to create or provide a base for something
2. assign somebody to base: to station, post, or assign somebody to a base
3. use something as a basis: to use something as a base or basis for something else
[14th century. Directly or via Old French from Latin basis , from Greek basis (see basis ).]
have all bases covered to have made preparations to insure that you can deal with whatever happens
off base wrong or inexact Your calculations are all off base
touch base (with somebody) to communicate briefly with somebody, for example, to carry a project forward or exchange current information