Base

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Mục lục 1 Noun 1.1 the bottom support of anything; that on which a thing stands or rests 1.2 a fundamental principle or groundwork; foundation; basis 1.3 the bottom layer or coating, as of makeup or paint. 1.4 Architecture . 1.5 Botany, Zoology . 1.6 the principal element or ingredient of anything, considered as its fundamental part 1.7 that from which a commencement, as of action or reckoning, is made; a starting point or point of departure. 1.8 Baseball . 1.9 a starting line or point for runners, racing cars, etc. 1.10 (in hockey and other games) the goal. 1.11 Military . 1.12 Geometry . the line or surface forming the part of a figure that is most nearly horizontal or on which it is supposed to stand. 1.13 Mathematics . 1.14 Also called base line. Surveying . See under triangulation ( def. 1 ) . 1.15 Painting . 1.16 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. 1.17 Chemistry . 1.18 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 ) . 1.19 Linguistics . the component of a generative grammar containing the lexicon and phrase-structure rules that generate the deep structure of sentences. 1.20 Electronics . 1.21 Stock Exchange . the level at which a security ceases a decline in price. 1.22 Heraldry . the lower part of an escutcheon. 1.23 bases, Armor . a tonlet formed of two shaped steel plates assembled side by side. 1.24 Jewelry . pavilion ( def. 6 ) . 1.25 in base, Heraldry . in the lower part of an escutcheon. 2 Adjective 2.1 serving as or forming a base 3 Verb (used with object) 3.1 to make or form a base or foundation for. 3.2 to establish, as a fact or conclusion (usually fol. by on or upon ) 3.3 to place or establish on a base or basis; ground; found (usually fol. by on or upon ) 3.4 to station, place, or situate (usually fol. by at or on ) 4 Verb (used without object) 4.1 to have a basis; be based (usually fol. by on or upon ) 4.2 to have or maintain a base 5 Idioms 5.1 get to first base. first base ( def. 2 ) . 5.2 off base 5.3 on base 5.4 touch base with 6 Antonyms 6.1 adjective 6.2 noun 7 Synonyms 7.1 adjective 7.2 noun 7.3 verb

Noun

the bottom support of anything; that on which a thing stands or rests

a metal base for the table.

a fundamental principle or groundwork; foundation; basis

the base of needed reforms.

the bottom layer or coating, as of makeup or paint.

Architecture .

the distinctively treated portion of a column or pier below the shaft or shafts.

the distinctively treated lowermost portion of any construction, as a monument, exterior wall, etc.

Botany, Zoology .

the part of an organ nearest its point of attachment.

the point of attachment.

the principal element or ingredient of anything, considered as its fundamental part

face cream with a lanolin base; paint with a lead base.

that from which a commencement, as of action or reckoning, is made; a starting point or point of departure.

Baseball .

any of the four corners of the diamond, esp. first, second, or third base. Compare home plate .

a square canvas sack containing sawdust or some other light material, for marking first, second, or third base.

a starting line or point for runners, racing cars, etc.

(in hockey and other games) the goal.

Military .

a 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.

Geometry . the line or surface forming the part of a figure that is most nearly horizontal or on which it is supposed to stand.

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.

Also called base line. Surveying . See under triangulation ( def. 1 ) .

Painting .

vehicle ( def. 10 ) .

Also called carrier. inert matter, used in the preparation of lakes, onto which a coloring compound is precipitated.

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.

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.

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 ) .

Linguistics . the component of a generative grammar containing the lexicon and phrase-structure rules that generate the deep structure of sentences.

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.

Stock Exchange . the level at which a security ceases a decline in price.

Heraldry . the lower part of an escutcheon.

bases, Armor . a tonlet formed of two shaped steel plates assembled side by side.

Jewelry . pavilion ( def. 6 ) .

in base, Heraldry . in the lower part of an escutcheon.

Adjective

serving as or forming a base

The walls will need a base coat and two finishing coats.

Verb (used with object)

to make or form a base or foundation for.

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.

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.

to station, place, or situate (usually fol. by at or on )

He is based at Fort Benning. The squadron is based on a carrier.

Verb (used without object)

to have a basis; be based (usually fol. by on or upon )

Fluctuating prices usually base on a fickle public's demand.

to have or maintain a base

I believe they had based on Greenland at one time.

Idioms

get to first base. first base ( def. 2 ) .

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.

on base

Baseball . having reached a base or bases

Two men are on base.

touch base with

to make contact with

They've touched base with every political group on campus.

Antonyms

adjective

good , honest , moral , noble

noun

top , annex , branch

Synonyms

adjective

abject , abominable , cheap , coarse , common , contemptible , corrupt , depraved , despicable , disgraceful , dishonorable , disreputable , foul , grovelling , humble , ignoble , immoral , indelicate , loathsome , lowly , mean , menial , offensive , paltry , pitiful , plebeian , poor , scandalous , servile , shameful , shoddy , sleazy , sordid , sorry , squalid , trashy , ugly , unworthy , vile , worthless , wretched , low , low-down , lousy , miserable , rotten , baseborn , dclass , declassed , unwashed , vulgar , alloyed , counterfeit , debased , degenerate , degraded , degrading , discreditable , groveling , impure , inferior , low-minded , obscure , proletarian , spurious , substratal , unhonored , untitled , venal , wicked

noun

basement , basis , bed , bedrock , bottom , foot , footing , ground , groundwork , infrastructure , pedestal , rest , root , seat , seating , stand , substratum , substructure , support , underpinning , authority , backbone , chief constituent , core , essence , essential , evidence , foundation , fundamental , heart , important part , key , origin , primary element , principal , principle , source , camp , center , depot , dock , field , garrison , hangar , harbor , home , port , post , settlement , site , starting point , station , strip , terminal , fundament , cornerstone , rudiment , complex , headquarters , stem , baseness , degeneration , degradation , plinth , turpitude , wickedness

verb

construct , depend , derive , establish , found , ground , hinge , locate , plant , predicate , prop , rest , set up , station , stay , build , root , underpin