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Từ điển Oxford Learners Wordfinder Dictionary
base



I - noun
1. installation from which a military force initiates operations (Freq. 4)
- the attack wiped out our forward bases
Syn:
base of operations
Topics:
military, armed forces, armed services, military machine, war machine
Hypernyms:
military installation
Hyponyms:
air base, air station, army base, firebase, navy base, rocket base
2. lowest support of a structure (Freq. 3)
- it was built on a base of solid rock
- he stood at the foot of the tower
Syn:
foundation, fundament, foot, groundwork, substructure, understructure
Derivationally related forms:
basal
Hypernyms:
support
Hyponyms:
bed, raft foundation
Part Holonyms:
structure, construction
3. a place that the runner must touch before scoring (Freq. 3)
- he scrambled to get back to the bag
Syn:
bag
Hypernyms:
baseball equipment
Hyponyms:
first base, home plate, home base, home, plate,
second base, third base, third
Part Holonyms:
baseball diamond, diamond, infield
4. the bottom or lowest part (Freq. 2)
- the base of the mountain
Derivationally related forms:
basilar
Hypernyms:
part, piece
5. (anatomy) the part of an organ nearest its point of attachment (Freq. 2)
- the base of the skull
Derivationally related forms:
basal, basilary
Topics:
anatomy, general anatomy
Hypernyms:
bottom
6. a lower limit (Freq. 2)
- the government established a wage floor
Syn:
floor
Hypernyms:
control
Hyponyms:
price floor, wage floor
7. the fundamental assumptions from which something is begun or developed or calculated or explained (Freq. 2)
- the whole argument rested on a basis of conjecture
Syn:
basis, foundation, fundament, groundwork, cornerstone
Derivationally related forms:
found (for: foundation), basal
Hypernyms:
assumption, supposition, supposal
Hyponyms:
meat and potatoes
Part Holonyms:
explanation
8. a support or foundation (Freq. 2)
- the base of the lamp
Syn:
pedestal, stand
Hypernyms:
support
Hyponyms:
brass monkey, staddle, trivet
9. a phosphoric ester of a nucleoside;
the basic structural unit of nucleic acids (DNA or RNA)
Syn:
nucleotide
Hypernyms:
ester
Hyponyms:
base pair, adenosine monophosphate, AMP, adenylic acid, adenosine diphosphate,
ADP, adenosine triphosphate, ATP, deoxyadenosine monophosphate, A, deoxycytidine monophosphate,
C, deoxyguanosine monophosphate, G, deoxythymidine monophosphate, T, muton,
uracil, U
10. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
- bases include oxides and hydroxides of metals and ammonia
Syn:
alkali
Derivationally related forms:
alkalize (for: alkali), alkalify (for: alkali), basify
Hypernyms:
compound, chemical compound
Hyponyms:
pyridine, purine, imidazole, iminazole, glyoxaline,
melamine, cyanuramide, pyrimidine
11. the bottom side of a geometric figure from which the altitude can be constructed
- the base of the triangle
Hypernyms:
flank
12. the most important or necessary part of something
- the basis of this drink is orange juice
Syn:
basis
Hypernyms:
part, portion, component part, component, constituent
13. (numeration system) the positive integer that is equivalent to one in the next higher counting place
- 10 is the radix of the decimal system
Syn:
radix
Topics:
numeration system, number system, number representation system, system of numeration
Hypernyms:
number
14. the place where you are stationed and from which missions start and end
Syn:
home
Hypernyms:
location
15. (linguistics) the form of a word after all affixes are removed
- thematic vowels are part of the stem
Syn:
root, root word, stem, theme, radical
Derivationally related forms:
stem (for: stem)
Topics:
linguistics
Hypernyms:
form, word form, signifier, descriptor
16. the stock of basic facilities and capital equipment needed for the functioning of a country or area
- the industrial base of Japan
Syn:
infrastructure
Hypernyms:
store, stock, fund
Part Meronyms:
communication system, communication equipment, fire station, firehouse, gas system,
main, penal institution, penal facility, power system, power grid, grid,
public works, school system, sewage system, sewer system, sewage works, transportation system,
transportation, transit, water system, water supply, water
17. the principal ingredient of a mixture
- glycerinated gelatin is used as a base for many ointments
- he told the painter that he wanted a yellow base with just a hint of green
- everything she cooked seemed to have rice as the base
Hypernyms:
ingredient
18. a flat bottom on which something is intended to sit
- a tub should sit on its own base
Hypernyms:
bottom, underside, undersurface
Part Holonyms:
vessel, box, lamp
19. (electronics) the part of a transistor that separates the emitter from the collector
Topics:
electronics
Hypernyms:
electrode
Part Holonyms:
transistor, junction transistor, electronic transistor

II - verb
1. use as a basis for;
found on (Freq. 75)
- base a claim on some observation
Syn:
establish, ground, found
Derivationally related forms:
foundation (for: found), ground (for: ground)
Hyponyms:
build
Verb Frames:
- Somebody ----s something PP
2. situate as a center of operations
- we will base this project in the new lab
Hypernyms:
situate, locate
Verb Frames:
- Somebody ----s something
- Somebody ----s somebody
- Something ----s somebody
- Something ----s something
3. use (purified cocaine) by burning it and inhaling the fumes
Syn:
free-base
Hypernyms:
drug, do drugs
Verb Frames:
- Somebody ----s
- Somebody ----s something

III - adjective
1. serving as or forming a base (Freq. 6)
- the painter applied a base coat followed by two finishing coats
Syn:
basal
Similar to:
basic
Derivationally related forms:
base (for: basal)
2. of low birth or station ('base' is archaic in this sense) (Freq. 1)
- baseborn wretches with dirty faces
- of humble (or lowly) birth
Syn:
baseborn, humble, lowly
Similar to:
lowborn
Derivationally related forms:
humbleness (for: humble)
3. (used of metals) consisting of or alloyed with inferior metal
- base coins of aluminum
- a base metal
Similar to:
inferior
4. not adhering to ethical or moral principles
- base and unpatriotic motives
- a base, degrading way of life
- cheating is dishonorable
- they considered colonialism immoral
- unethical practices in handling public funds
Syn:
immoral
Similar to:
wrong
Derivationally related forms:
immorality (for: immoral), baseness
5. having or showing an ignoble lack of honor or morality
- "that liberal obedience without which your army would be a base rabble"- Edmund Burke
- taking a mean advantage
- "chok'd with ambition of the meaner sort"- Shakespeare
- something essentially vulgar and meanspirited in politics
Syn:
mean, meanspirited
Similar to:
ignoble
Derivationally related forms:
meanness (for: mean), baseness
6. illegitimate
Syn:
baseborn
Similar to:
illegitimate
Usage Domain:
archaism, archaicism
7. debased;
not genuine
- an attempt to eliminate the base coinage
Similar to:
counterfeit, imitative

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