complexadj/ˈkɒmplɛks/

• 1

  Made up of multiple parts; composite; not simple.

  • a complex being; a complex idea
  • The human body is a complex system made up of many layers.
• 2

  Not simple, easy, or straightforward; complicated.

  • If, when the actual motions of the heavens are calculated in the best possible way, the process is complex and difficult, and if we are discontented at this, nature, and not the astronomer, must be the object of our displeasure.
• 3

  mathematicssciencesHaving the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1.

  • complex number
  • function of a complex variable
• 4

  mathematical-analysismathematicssciencesWhose range is a subset of the complex numbers.

  • complex function
• 5

  algebramathematicssciencesWhose coefficients are complex numbers; defined over the field of complex numbers.

  • complex polynomial
  • complex algebraic variety
• 6

  geometrymathematicssciencesA curve, polygon or other figure that crosses or intersects itself.

complexnoun/ˈkɒmplɛks/

• 1

  A network of interconnected systems.

  • military–industrial complex
• 2

  A collection of buildings with a common purpose, such as a university or military base.

  • The south polar region of Promethei Planum developed a Bermuda Triangle reputation. Satellites detected intermittent mass concentrations and magnetic field shifts. In 2148, prospectors working near Deseado Crater discovered an underground complex: a Prothean observation post. The odd phenomena were generated by the operation and discharge of a mass effect core, struggling to function despite fifty millennia of neglect.
  • A man at the complex said he had seen the often heavily made-up girls coming and going in luxury vehicles.
• 3

  An assemblage of related things; a collection.

  • This parable of the wedding supper comprehends in it the whole complex of all the blessings and privileges exhibited by the gospel.
• 4

  An assemblage of related things; a collection.

• 5

  An assemblage of related things; a collection.

  • The fire complex began as two separate fires.
  • As of early Wednesday, there were at least 25 major wildfires and fire complexes, the term given to multiple fires in a single geographic area, burning in California, Christine McMorrow, a Cal Fire information officer, said.
• 6

  biologynatural-sciencestaxonomyAn assemblage of related things; a collection.

  • Since then, a good deal of research has documented and concluded that the nominal species A. fraterculus actually comprises an unresolved complex of cryptic species.
• 7

  human-sciencespsychologysciencesA group of emotionally charged ideas or mental factors, unconsciously associated by the individual with a particular subject, arising from repressed instincts, fears, or desires and often resulting in mental abnormality.

  • Jim has a real complex about working for a woman boss.
• 8

  human-sciencespsychologysciencesA group of emotionally charged ideas or mental factors, unconsciously associated by the individual with a particular subject, arising from repressed instincts, fears, or desires and often resulting in mental abnormality.

complexverb

• 1

  chemistrynatural-sciencesphysical-sciencesTo form a complex with another substance.

• 2

  To complicate.