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basal metabolism
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base (1)
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base (1)

base [ bayss ]


noun  (plural bas·es)
Definition:
 
1. lowest part: the lowest, bottom, or supporting part or layer of something

2. main supporting element: the main source of an important component in an economy or sphere of influence
improve our customer base

3. fundamental principle: the main principle or starting point of a system or theory

4. center from which activities start: a center from which activities start or are coordinated

5. armed forces installation: a fort, reservation, proving ground, port, air base, or other facility owned and used by the armed forces

6. main ingredient: a main ingredient to which others are added

7. baseball field marker: one of the four corners of the diamond-shaped infield that a batter must touch in order to score a run

8. architecture lower part of built structure: the lower part of a built structure such as a wall, pillar, or column

9. anatomy attachment area of body organ: the part of an organ or body part by which it is attached to a more central structure of an organism

10. heraldry lower part of heraldic shield: the lower part of a heraldic shield

11. 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.

12. 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).

13. mathematics lower side of figure: the lower side or face of a geometric figure

14. measurements 
Same as  baseline (sense 1)


15. solvent: a medium in which ingredients or constituents may be dissolved or carried

16. stock exchange lowest stock price: the lowest recorded price level of a tradable commodity or security

17. chemistry chemical compound: a compound that releases hydroxyl ions to form a solution with a pH greater than 7, reacts with acids to form salts, and turns red litmus paper blue

18. chemistry chemical compound forming covalent bond: a compound that can accept a proton or donate a pair of electrons to form a covalent bond with an acid

19. photog 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



transitive verb  (past and past participle based, present participle bas·ing, 3rd person present singular bas·es)
Definition:
 
1. make base for something: to create or provide a base for something
Top management decided to base the new subsidiary in San Antonio.

2. assign somebody to base: to station, post, or assign somebody to a base
Troops have been based in Munich since the end of Word War II.

3. use something as basis: to use something as a base or basis for something else
His report is based on the research he carried out in Peru.

[14th century. Directly or via French< Latin basis< Greek basis (see basis)]

have all bases covered to have made preparations to insure that every eventuality is provided for

off base wrong or inexact (informal)
Your calculations are all off base.


touch base (with somebody) to communicate briefly with somebody, e.g. to move a project forward or exchange current information


Spelling Note

base or bass? Do not confuse the spelling of base and bass, which sound similar. Both words refer to something low, but bass is used only of sound, as in a bass voice or a bass guitar. Base has a much wider range of meanings and uses, as in the base of the statue, a base unit, base metals, tried to curb his base instincts, etc.

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