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单词 basest
释义

WordReference Random House Learner's Dictionary of American English © 2024
base1 /beɪs/USA pronunciation   n., adj., v., based, bas•ing. 
n. [countable]
  1. the part on which something stands:The base of the lamp was made of marble.
  2. a fundamental principle;
    basis:data to be used as a base for further research.
  3. the principal element in a mixture: A soup with a base of chicken broth.
  4. a starting point from which something is begun.
  5. Militarya place from which military operations proceed:an army base.
  6. Sport
    • any of the four corners of a baseball diamond.
    • a square canvas sack marking such a corner.
    • the lower side of a figure, such as a triangle, in geometry;
      the side to which an altitude can be drawn.
    • the number that serves as a starting point for certain mathematical operations.
    • the number of symbols used in a numerical system.
  7. Chemistry
    • a chemical compound that reacts with an acid to form a salt.
  8. Grammarthe part of a word to which certain prefixes, suffixes, or other markers may be added.

adj. [before a noun]
  1. serving as or forming a base: the explorer's base camp.

v. 
  1. to make, form, or establish:[+ object + on/upon + object]He based the book on his own life.
  2. to station or place at a base:[+ object + at/on + object]an air squadron based on Guam.
Idioms
  1. Idioms, Sport off base:
    • Informal. seriously wrong:The president's advisers were off base when they predicted an easy victory.
  2. Idioms touch base, [no object] to get into contact;
    communicate:Touch base with me before you leave.

    base, basis, and foundation all refer to anything upon which a structure is built and upon which it rests. base usually refers to a physical structure that supports something: the base of a statue. basis more often refers to a mental or figurative support: the basis of a report. foundation implies a strong, solid, secure structure underneath: the foundation of a skyscraper; the foundation of a theory.

base2 /beɪs/USA pronunciation   adj., bas•er, bas•est. 
  1. not honorable;
    morally low:base motives of greed.
  2. of little value;
    worthless:base materials.
base•ly, adv. 
base•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
base1  (bās),USA pronunciation n., adj., v., based, bas•ing. 
n. 
  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
    • the distinctively treated portion of a column or pier below the shaft or shafts. See diag. under column. 
    • the distinctively treated lowermost portion of any construction, as a monument, exterior wall, etc.
  5. Zoology[Bot., Zool.]
    • Botanythe part of an organ nearest its point of attachment.
    • Botanythe point of attachment.
  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. Sport[Baseball.]
    • any of the four corners of the diamond, esp. first, second, or third base. Cf. home plate.
    • a square canvas sack containing sawdust or some other light material, for marking first, second, or third base.
  9. Sporta starting line or point for runners, racing cars, etc.
  10. Sport(in hockey and other games) the goal.
  11. Military
    • Militarya fortified or more or less protected area or place from which the operations of an army or an air force proceed.
    • a supply installation for a large military force.
  12. Mathematics[Geom.]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
    • the number that serves as a starting point for a logarithmic or other numerical system.
    • a collection of subsets of a topological space having the property that every open set in the given topology can be written as the union of sets of the collection.
    • a collection of neighborhoods of a point such that every neighborhood of the point contains one from the collection.
    • a collection of sets of a given filter such that every set in the filter is contained in some set in the collection.
  14. SurveyingAlso called base line. See under triangulation (def. 1).
  15. Fine Art[Painting.]
    • vehicle (def. 10).
    • Also called carrier. inert matter, used in the preparation of lakes, onto which a coloring compound is precipitated.
  16. Cinema, Photography[Photog.]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
    • a compound that reacts with an acid to form a salt, as ammonia, calcium hydroxide, or certain nitrogen-containing organic compounds.
    • the hydroxide of a metal or of an electropositive element or group.
    • a group or molecule that takes up or accepts protons.
    • a molecule or ion containing an atom with a free pair of electrons that can be donated to an acid;
      an electron-pair donor.
    • any of the purine and pyrimidine compounds found in nucleic acids: the purines adenine and guanine and the pyrimidines cytosine, thymine, and uracil.
  18. Grammarthe 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. Cf. root1 (def. 11), stem 1 (def. 16).
  19. Linguisticsthe component of a generative grammar containing the lexicon and phrase-structure rules that generate the deep structure of sentences.
  20. Electronics
    • an electrode or terminal on a transistor other than the emitter or collector electrodes or terminals.
    • the part of an incandescent lamp or electron tube that includes the terminals for making electrical connection to a circuit or power supply.
  21. Stock Exchangethe level at which a security ceases a decline in price.
  22. Heraldrythe lower part of an escutcheon.
  23. Heraldry bases, [Armor.]a tonlet formed of two shaped steel plates assembled side by side.
  24. Jewelrypavilion (def. 6).
  25. Idioms get to first base. See first base (def. 2).
  26. Heraldry in base, in the lower part of an escutcheon.
  27. off base:
    • [Baseball.]not touching a base:The pitcher caught him off base and, after a quick throw, he was put out by the second baseman.
    • [Informal.]badly mistaken:The police were way off base when they tried to accuse her of the theft.
  28. Sport on base, [Baseball.]having reached a base or bases:Two men are on base.
  29. Idioms touch base with, to make contact with:They've touched base with every political group on campus.

adj. 
  1. serving as or forming a base:The walls will need a base coat and two finishing coats.

v.t. 
  1. to make or form a base or foundation for.
  2. 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.
  3. 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.
  4. to station, place, or situate (usually fol. by at or on):He is based at Fort Benning. The squadron is based on a carrier.

v.i. 
  1. to have a basis;
    be based (usually fol. by on or upon):Fluctuating prices usually base on a fickle public's demand.
  2. to have or maintain a base:I believe they had based on Greenland at one time.
  • Latin basis basis; compare prisoner's base
  • Middle French
  • Middle English (noun, nominal) 1275–1325
    • 1.See corresponding entry in Unabridged Base, basis, foundation refer to anything upon which a structure is built and upon which it rests. Base usually refers to a literal supporting structure:the base of a statue.Basis more often refers to a figurative support:the basis of a report.Foundation implies a solid, secure understructure:the foundation of a skyscraper or a rumor.

base2  (bās),USA pronunciation adj., bas•er, bas•est, n. 
adj. 
  1. morally low;
    without estimable personal qualities;
    dishonorable;
    meanspirited;
    selfish;
    cowardly.
  2. of little or no value;
    worthless:hastily composed of base materials.
  3. debased or counterfeit:an attempt to eliminate the base coinage.
  4. characteristic of or befitting an inferior person or thing.
  5. of illegitimate birth.
  6. not classical or refined:base language.
  7. Law[Old Eng. Law.]held by tenure less than freehold in return for a service viewed as somewhat demeaning to the tenant.
  8. [Archaic.]
    • of humble origin or station.
    • of small height.
    • low in place, position, or degree:base servitude.
  9. [Obs.]deep or grave in sound;
    bass:the base tones of a piano.

n. 
  1. [Music. Obs.]bass1 (defs. 3, 4).
  • Late Latin bassus low, short, perh. of Oscan origin, originally
  • Old French
  • Middle English bas 1350–1400
basely, adv. 
baseness, n. 
    • 1.See corresponding entry in Unabridged despicable, contemptible. See mean 2.
    • 2.See corresponding entry in Unabridged poor, inferior, cheap, tawdry.
    • 3.See corresponding entry in Unabridged fake, spurious.
    • 4.See corresponding entry in Unabridged servile, ignoble, abject, slavish, menial.

Collins Concise English Dictionary © HarperCollins Publishers::
base /beɪs/ n
  1. the bottom or supporting part of anything
  2. the fundamental or underlying principle or part, as of an idea, system, or organization; basis
  3. a centre of operations, organization, or supply
  4. (as modifier): base camp
  5. anything from which a process, as of measurement, action, or thought, is or may be begun; starting point: the new discovery became the base for further research
  6. the main ingredient of a mixture: to use rice as a base in cookery
  7. a chemical compound that combines with an acid to form a salt and water. A solution of a base in water turns litmus paper blue, produces hydroxyl ions, and has a pH greater than 7. Bases are metal oxides or hydroxides or amines
  8. any of the nitrogen-containing constituents of nucleic acids: adenine, thymine (in DNA), uracil (in RNA), guanine, or cytosine
  9. a medium such as oil or water in which the pigment is dispersed in paints, inks, etc; vehicle
  10. the part of an organ nearest to its point of attachment
  11. the point of attachment of an organ or part
  12. the bottommost layer or part of anything
  13. the lower part of a column or pier
  14. the lower side or face of a geometric construction
  15. the number of distinct single-digit numbers in a counting system, and so the number represented as 10 in a place-value system: the binary system has two digits, 0 and 1, and 10 to base two represents 2
  16. (of a logarithm or exponential) the number whose powers are expressed: since 1000 = 10³, the logarithm of 1000 to base 10 is 3
  17. the region in a transistor between the emitter and collector
  18. a starting or finishing point in any of various games
vb
  1. (tr followed by on or upon) to use as a basis (for); found (on)
  2. often followed by at or in: to station, post, or place (a person or oneself)
Etymology: 14th Century: from Old French, from Latin basis pedestal; see basis
base /beɪs/ adj
  1. devoid of honour or morality; ignoble; contemptible
  2. of inferior quality or value
  3. debased; alloyed; counterfeit: base currency
  4. (of land tenure) held by villein or other ignoble service
  5. holding land by villein or other ignoble service
  6. archaic born of humble parents; plebeian
  7. archaic illegitimate
Etymology: 14th Century: from Old French bas, from Late Latin bassus of low height, perhaps from Greek bassōn deeper

ˈbaseness n
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更新时间:2024/11/10 15:20:24