| 1. | a person or thing that carries. |
| 2. | an employee of the post office who carries mail. |
| 3. | a person who delivers newspapers, magazines, etc., on a particular route. |
| 4. | Transportation.
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| 5. | Insurance. a company that acts or functions as an underwriter or insurer. |
| 6. | a frame, usually of metal, attached to a vehicle for carrying skis, luggage, etc., as on top of an automobile or station wagon; rack. |
| 7. | aircraft carrier. |
| 8. | Immunology. an individual harboring specific pathogenic organisms who, though often immune to the agent harbored, may transmit the disease to others. |
| 9. | Genetics.
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| 10. | Also called carrier wave. Radio. the wave whose amplitude, frequency, or phase is to be varied or modulated to transmit a signal. |
| 11. | Machinery. a mechanism by which something is carried or moved. |
| 12. | Chemistry. a catalytic agent that brings about a transfer of an element or group of atoms from one compound to another. |
| 13. | Also called charge carrier. Physics. any of the mobile electrons or holes in a metal or semiconductor that enable it to conduct electrical charge. |
| 14. | Physical Chemistry. a usually inactive substance that acts as a vehicle for an active substance. |
| 15. | carrier pigeon. |
| 16. | Painting. base 1 (def. 15b). |
noun, adjective, verb, based, bas⋅ing.| 1. | the bottom support of anything; that on which a thing stands or rests: a metal base for the table. |
| 2. | a fundamental principle or groundwork; foundation; basis: the base of needed reforms. |
| 3. | the bottom layer or coating, as of makeup or paint. |
| 4. | Architecture.
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| 5. | Botany, Zoology.
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| 6. | the principal element or ingredient of anything, considered as its fundamental part: face cream with a lanolin base; paint with a lead base. |
| 7. | that from which a commencement, as of action or reckoning, is made; a starting point or point of departure. |
| 8. | Baseball.
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| 9. | a starting line or point for runners, racing cars, etc. |
| 10. | (in hockey and other games) the goal. |
| 11. | Military.
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| 12. | Geometry. the line or surface forming the part of a figure that is most nearly horizontal or on which it is supposed to stand. |
| 13. | Mathematics.
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| 14. | Also called base line. Surveying. See under triangulation (def. 1). |
| 15. | Painting.
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| 16. | Photography. a thin, flexible layer of cellulose triacetate or similar material that holds the light-sensitive film emulsion and other coatings, esp. on motion-picture film. |
| 17. | Chemistry.
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| 18. | Grammar. the part of a complex word, consisting of one or more morphemes, to which derivational or inflectional affixes may be added, as want in unwanted or biolog- in biological. Compare root 1 (def. 11), stem 1 (def. 16). |
| 19. | Linguistics. the component of a generative grammar containing the lexicon and phrase-structure rules that generate the deep structure of sentences. |
| 20. | Electronics.
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| 21. | Stock Exchange. the level at which a security ceases a decline in price. |
| 22. | Heraldry. the lower part of an escutcheon. |
| 23. | bases, Armor. a tonlet formed of two shaped steel plates assembled side by side. |
| 24. | Jewelry. pavilion (def. 6). |
| 25. | in base, Heraldry. in the lower part of an escutcheon. |
| 26. | serving as or forming a base: The walls will need a base coat and two finishing coats. |
| 27. | to make or form a base or foundation for. |
| 28. | to establish, as a fact or conclusion (usually fol. by on or upon): He based his assumption of her guilt on the fact that she had no alibi. |
| 29. | to place or establish on a base or basis; ground; found (usually fol. by on or upon): Our plan is based on a rising economy. |
| 30. | to station, place, or situate (usually fol. by at or on): He is based at Fort Benning. The squadron is based on a carrier. |
| 31. | to have a basis; be based (usually fol. by on or upon): Fluctuating prices usually base on a fickle public's demand. |
| 32. | to have or maintain a base: I believe they had based on Greenland at one time. |
| 33. | get to first base. first base (def. 2). |
| 34. | off base,
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| 35. | on base, Baseball. having reached a base or bases: Two men are on base. |
| 36. | touch base with, to make contact with: They've touched base with every political group on campus. |
| 1. | Transportation. (in federal regulatory and other legal usage) a carrier offering its services at published rates to all persons for interstate transportation. |
| 2. | a public service or public utility company, as a telephone or telegraph company, engaged in the transmitting of messages for the public. |
A company or individual providing public transportation on a regular basis in return for a fee that is uniformly charged to all users.
Any of a number of bitter-tasting, caustic materials. Technically, a material that produces negative ions in solution. A base is the opposite of an acid and has a pH of 7 to 14. A given amount of a base added to the same amount of an acid neutralizes the acid; water and a salt are produced. Alkalis are bases; ammonia is a common base.
base
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carrier
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base (bās)
n.
The part of an organ nearest its point of attachment.
A fundamental ingredient; a chief constituent of a mixture.
Any of a large class of compounds, including the hydroxides and oxides of metals, having a bitter taste, a slippery solution, the capacity to turn litmus blue, and to react with acids to form salts.
A molecular or ionic substance capable of combining with a proton to form a new substance. Also called Brønsted base.
A nitrogen-containing organic compound that combines in such a manner.
A substance that provides a pair of electrons for a covalent bond with an acid.
carrier car·ri·er (kār'ē-ər)
n.
A person or an animal that shows no symptoms of a disease but harbors the infectious agent of that disease and is capable of transmitting it to others.
A compound capable of transferring a hydrogen atom from one compound to another.
A quantity of naturally occurring element added to a minute amount of pure isotope, especially a radioactive one, to facilitate the chemical handling of the isotope.
An individual that carries, but does not express, a gene for a particular recessive trait, yet when mated with another carrier, can produce offspring that do.