Base

English Meaning

Of little, or less than the usual, height; of low growth; as, base shrubs.

1. The lowest or bottom part: the base of a cliff; the base of a lamp.
2. Biology The part of a plant or animal organ that is nearest to its point of attachment.
3. Biology The point of attachment of such an organ.
4. A supporting part or layer; a foundation: a skyscraper built on a base of solid rock.
5. A basic or underlying element; infrastructure: the nation's industrial base.
6. The fundamental principle or underlying concept of a system or theory; a basis.
7. A fundamental ingredient; a chief constituent: a paint with an oil base.
8. The fact, observation, or premise from which a reasoning process is begun.
9. Games A starting point, safety area, or goal.
10. Baseball Any one of the four corners of an infield, marked by a bag or plate, that must be touched by a runner before a run can be scored.
11. A center of organization, supply, or activity; a headquarters.
12. A fortified center of operations.
13. A supply center for a large force of military personnel.
14. A facial cosmetic used to even out the complexion or provide a surface for other makeup; a foundation.
15. Architecture The lowest part of a structure, such as a wall, considered as a separate unit: the base of a column.
16. Heraldry The lower part of a shield.
17. Linguistics A morpheme or morphemes regarded as a form to which affixes or other bases may be added.
18. Mathematics The side or face of a geometric figure to which an altitude is or is thought to be drawn.
19. Mathematics The number that is raised to various powers to generate the principal counting units of a number system. The base of the decimal system, for example, is 10.
20. Mathematics The number raised to the logarithm of a designated number in order to produce that designated number; the number at which a chosen logarithmic scale has the value 1.
21. A line used as a reference for measurement or computations.
22. Chemistry Any of a class of compounds whose aqueous solutions are characterized by a bitter taste, a slippery feel, the ability to turn litmus blue, and the ability to react with acids to form salts.
23. Chemistry A substance that yields hydroxyl ions when dissolved in water.
24. Chemistry A substance that can act as a proton acceptor.
25. Chemistry A substance that can donate a pair of electrons to form a covalent bond.
26. Electronics The region in a transistor between the emitter and the collector.
27. Electronics The electrode attached to this region.
28. One of the nitrogen-containing purines (adenine and guanine) or pyrimidines (cytosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA.
29. Forming or serving as a base: a base layer of soil.
30. Situated at or near the base or bottom: a base camp for the mountain climbers.
31. Chemistry Of, relating to, or containing a base.
32. To form or provide a base for: based the new company in Portland.
33. To find a basis for; establish: based her conclusions on the report; a film based on a best-selling novel.
34. To assign to a base; station: troops based in the Middle East.
35. off base Badly mistaken.
36. Having or showing a contemptible, mean-spirited, or selfish lack of human decency. See Synonyms at mean2.
37. Devoid of high values or ethics: a base, degrading way of life.
38. Inferior in value or quality.
39. Containing inferior substances: a base metal.
40. Archaic Of low birth, rank, or position.
41. Obsolete Short in stature.
42. Obsolete A bass singer or voice.