complexとは

発音

Adjective

• (英国発音) IPA^(key): /kəmˈplɛks/, /ˈkɒm.plɛks/
• (米国発音) enPR: kəmplĕks, kŏm'plĕks; IPA^(key): /kəmˈplɛks/, /ˈkɑmplɛks/

Noun

• (英国発音) IPA^(key): /ˈkɒm.plɛks/
• (米国発音) enPR: kŏm'plĕks, IPA^(key): /ˈkɑmplɛks/

形容詞

complex (comparative complexer または more complex, superlative complexest または most complex)

1. Made up of multiple parts; composite; not simple.

   a complex being; a complex idea

   • John Locke

     Ideas thus made up of several simple ones put together, I call complex; such as beauty, gratitude, a man, an army, the universe.

2. Not simple, easy, or straightforward; complicated.
   • Whewell

     When the actual motions of the heavens are calculated in the best possible way, the process is difficult and complex.

3. (mathematics) Of a number, of the form a + bi, where a and b are real numbers and i is a square root of −1.

   complex function

4. (geometry) A curve, polygon or other figure that crosses or intersects itself.

同意語

• (not simple): complicated, detailed, difficult, hard, intricate, involved, tough

反意語

• (not simple): basic, easy, simple, simplex, straightforward

派生語

• complexity
• complexness

関連する語

• complexion
• (数学): symplectic

名詞

complex (複数形 complexes または complices)

1. A problem. (clarification of this definition is needed)
2. A network of interconnected systems.

   military-industrial complex

3. A collection of buildings with a common purpose, such as a university or military base.
4. An assemblage of related things; a collection.
   • South

     This parable of the wedding supper comprehends in it the whole complex of all the blessings and privileges exhibited by the gospel.

5. (psychology) A psychological dislike or fear of a particular thing.

   Jim has a real complex about working for a woman boss.

6. An organized cluster of thunderstorms.
7. (chemistry) A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.
   • 2013 September-October, Katie L. Burke, “In the News”, in American Scientist:

     Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: […] . The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light. The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of manganese atoms and a calcium atom.

8. (mathematics) A complex number.
   • 1996, Barry Simon, Representations of Finite and Compact Groups (page 50)

     The interesting aspect here is that U₃ is irreducible, even though all irreps over the complexes are one-dimensional because ℤ₄ is abelian.

派生語

動詞

complex (三人称単数 現在形 complexes, 現在分詞 complexing, 過去形および過去分詞形 complexed)

1. (chemistry, intransitive) To form a complex with another substance

Further reading

• complex in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• complex in The Century Dictionary, The Century Co., New York, 1911
• complex at OneLook Dictionary Search