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Combination    音标拼音: [k,ɑmbən'eʃən]
n. 组合图
n. 组合,合并,联合

组合图组合,合并,联合

combination
合并; 组合

combination
组合

combination
n 1: a collection of things that have been combined; an
assemblage of separate parts or qualities
2: a coordinated sequence of chess moves
3: a sequence of numbers or letters that opens a combination
lock; "he forgot the combination to the safe"
4: a group of people (often temporary) having a common purpose;
"they were a winning combination"
5: an alliance of people or corporations or countries for a
special purpose (formerly to achieve some antisocial end but
now for general political or economic purposes)
6: the act of arranging elements into specified groups without
regard to order
7: the act of combining things to form a new whole [synonym:
{combination}, {combining}, {compounding}]

Combination \Com`bi*na"tion\, n. [LL. combinatio. See
{Combine}.]
1. The act or process of combining or uniting persons and
things.
[1913 Webster]

Making new compounds by new combinations. --Boyle.
[1913 Webster]

A solemn combination shall be made
Of our dear souls. --Shak.
[1913 Webster]

2. The result of combining or uniting; union of persons or
things; esp. a union or alliance of persons or states to
effect some purpose; -- usually in a bad sense.
[1913 Webster]

A combination of the most powerful men in Rome who
had conspired my ruin. --Melmoth.
[1913 Webster]

3. (Chem.) The act or process of uniting by chemical
affinity, by which substances unite with each other in
definite proportions by weight to form distinct compounds.
[1913 Webster]

4. pl. (Math.) The different arrangements of a number of
objects, as letters, into groups.
[1913 Webster]

Note: In combinations no regard is paid to the order in which
the objects are arranged in each group, while in
variations and permutations this order is respected.
--Brande & C.
[1913 Webster]

{Combination car}, a railroad car containing two or more
compartments used for different purposes. [U. S.]

{Combination lock}, a lock in which the mechanism is
controlled by means of a movable dial (sometimes by
several dials or rings) inscribed with letters or other
characters. The bolt of the lock can not be operated until
after the dial has been so turned as to combine the
characters in a certain order or succession.

{Combination room}, in the University of Cambridge, Eng., a
room into which the fellows withdraw after dinner, for
wine, dessert, and conversation.

{Combination by volume} (Chem.), the act, process, or ratio
by which gaseous elements and compounds unite in definite
proportions by volume to form distinct compounds.

{Combination by weight} (Chem.), the act, process, or ratio,
in which substances unite in proportions by weight,
relatively fixed and exact, to form distinct compounds.
See {Law of definite proportions}, under {Definite}.

Syn: Cabal; alliance; association; league; union;
confederacy; coalition; conspiracy. See {Cabal}.
[1913 Webster]

284 Moby Thesaurus words for "combination":
Bund, Rochdale cooperative, accompaniment, accord, accordance,
addition, adjunct, admixture, affairs, affiliation, affinity,
agglomeration, agglutination, aggregate, aggregation, agreement,
alignment, alliance, alloy, alloyage, amalgam, amalgamation,
approximation, array, articulation, assemblage, assembly,
association, axis, band, blend, blending, bloc, body, bond,
bracketing, brew, building, buildup, cabal, cahoots, call-up,
canvass, cartel, census, circle, clique, closeness, clustering,
co-working, coaction, coadunation, coalescence, coalition,
coincidence, collaboration, colleagueship, collection,
collectivity, college, collegialism, collegiality, colligation,
collocation, colloid, collusion, combine, combined effort, combo,
comminglement, commingling, commixture, common market,
communication, comparison, composite, composition, compound,
comradeship, concatenation, concert, concerted action, concoction,
concomitance, concordance, concourse, concurrence, confection,
confederacy, confederation, confluence, conflux, confraternity,
congeries, conglomerate, conglomeration, congregation, conjugation,
conjunction, connectedness, connection, consilience, consolidation,
consortium, conspiracy, constitution, construction,
consumer cooperative, contiguity, contrariety, convergence,
cooperation, cooperative, cooperative society, copartnership,
copartnery, copulation, corps, corralling, correspondence, coterie,
council, coupling, credit union, customs union, data-gathering,
dealings, decoction, decoctum, deduction, disjunction, eclecticism,
economic community, embodiment, emulsion, ensemble, fabrication,
faction, fashioning, federation, fellowship, filiation, formation,
fraternalism, fraternity, fraternization, free trade area,
freemasonry, fusion, gang, gathering, getup, group, grouping,
homology, hookup, identification, identity, immixture, inclusion,
incorporation, individuality, indivisibility, ingathering,
intactness, integrality, integration, integrity,
intercommunication, intercourse, interfusion, interlarding,
interlardment, interlinking, interminglement, intermingling,
intermixture, intimacy, inventory, inviolability, irreducibility,
joinder, joining, jointure, junction, juxtaposition, knotting,
league, liaison, link, linkage, linking, machine, magma, make,
makeup, marriage, meeting, melding, mergence, merger, merging,
mingling, mix, mixing, mixture, mob, mobilization, mosaic, muster,
mutual attraction, nearness, oneness, organic unity, organization,
pairing, parasitism, particularity, partnership, party, paste,
patchwork, piecing together, pluralism, political machine, pool,
propinquity, proximity, purity, putting together, rapport,
relatedness, relation, relations, relationship, ring, rodeo,
roundup, saprophytism, selfsameness, set, setup, shaping,
similarity, simplicity, simultaneity, singleness, singularity,
society, sodality, solidarity, solidification, solidity, solution,
sorority, splice, structure, structuring, survey, suspension,
symbiosis, sympathy, synchronism, syncretism, syndicate,
syndication, syneresis, synergy, synthesis, tie, tie-in, tie-up,
togetherness, trust, undividedness, unification, uniformity, union,
uniqueness, united action, unity, univocity, wholeness, yoking

1. A {set} containing a certain number of
objects selected from another set.

The number of combinations of r objects chosen from a set of n
is

n C r = n! / ((n-r)! r!)

where "n C r" is normally with n and r as subscripts or as n
above r in parentheses.

See also {permutation}.

2. In the theory of {combinators}, a combination
denotes an expression in which {function application} is the
only operation.

(1995-04-10)

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  • Combination - Wikipedia
    In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations)
  • Combinations and Permutations - Math is Fun
    When the order doesn't matter, it is a Combination When the order does matter it is a Permutation So, we should really call this a "Permutation Lock"! In other words: A Permutation is an ordered Combination To help you to remember, think " P ermutation P osition" There are basically two types of permutation:
  • Combinations Calculator (nCr)
    Basically, it shows how many different possible subsets can be made from the larger set For this calculator, the order of the items chosen in the subset does not matter There are n! ways of arranging n distinct objects into an ordered sequence, permutations where n = r
  • Combinations - Definition, Formula, Examples, FAQs - Cuemath
    Combinations are selections made by taking some or all of a number of objects, irrespective of their arrangements The number of combinations of n different things taken r at a time, denoted by nCr Understand the concept of combination using examples
  • COMBINATION Definition Meaning - Merriam-Webster
    The meaning of COMBINATION is a result or product of combining; especially : an alliance of individuals, corporations, or states united to achieve a social, political, or economic end
  • Intro to combinations (video) - Khan Academy
    These 120 permutations can be divided into groups, such that each group consists of the permutations that represent the same combination Since we are choosing three people, each group would consist of 6 permutations
  • Permutation and Combination Calculator
    Calculate permutations and combinations with or without repetition, plus a small listing preview to check your counting model
  • Combination - Math. net
    In mathematics, a combination refers to a selection of objects from a collection in which the order of selection doesn't matter Think of ordering a pizza
  • 7. 3: Combinations - Mathematics LibreTexts
    Distinguish between permutation and combination uses Compute combinations Apply combinations to solve applications In Permutations, we studied permutations, which we use to count the number of ways to generate an ordered list of a given length from a group of objects
  • Combinations - Math . info
    A combination is an unordered collection of unique elements (an ordered collection is called a permutation ) Given the set, S, of all possible unique elements, a combination is a subset of the elements of S





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