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English Words Starting With C

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

complex analysis
nounC2
/ˌkɒm.pleks əˈnæl.ə.sɪs/A branch of mathematics that studies functions of complex numbers.
complex carbohydrate
nounC1
/ˌkɒm.pleks ˌkɑː.bəʊˈhaɪ.dreɪt/A type of carbohydrate molecule consisting of long, complex chains of sugar units that are digested slowly, providing sustained energy. Often found in whole grains and vegetables.
complex conjugate
nounTechnical/Term-of-Art
/ˈkɒm.plɛks ˈkɒn.dʒʊ.ɡeɪt/In mathematics, the complex conjugate of a complex number is formed by changing the sign of its imaginary part.
complex fraction
nounLow (technical term)
/ˌkɒm.pleks ˈfræk.ʃən/A fraction where the numerator, denominator, or both contain a fraction themselves; also called a compound fraction.
complex ion
nounLow (Technical/Scientific)
/ˌkɒm.pleks ˈaɪ.ɒn/A charged chemical species (ion) consisting of a central metal atom or ion bonded to surrounding molecules or anions (ligands).
complex number
nounC2
/ˌkɒm.pleks ˈnʌm.bər/A number consisting of a real part and an imaginary part (a multiple of i, where i = √-1), expressed as a + bi.
complex plane
nounC2
/ˈkɒm.pleks pleɪn/A two-dimensional coordinate system used to represent complex numbers, where the horizontal axis represents real numbers and the vertical axis represents imaginary numbers.
complex salt
nounC2
/ˈkɒm.pleks sɔːlt/A chemical compound formed when a central metal ion is bonded to one or more ligands, typically resulting in a charged coordination complex.
complex sentence
nounMedium
/ˈkɒm.pleks ˈsen.təns/A sentence containing one independent clause and at least one dependent clause.
complex variable
nounLow
/ˈkɒm.pleks ˈveə.ri.ə.bl̩/A variable that takes complex values, i.e., numbers with both real and imaginary parts.
complex wave
nounC2
/ˈkɒm.plɛks weɪv/A waveform composed of multiple simpler sine waves of different frequencies and amplitudes.
complexing agent
nounC2
/ˈkɒm.plɛks.ɪŋ ˌeɪ.dʒənt/A substance that forms a complex with a metal ion.
complexion
nounB2
/kəmˈplɛkʃn/The natural colour, texture, and appearance of a person's skin, especially on the face.
complexity
nounC1
/kəmˈplek.sə.ti/The state or quality of being intricate, complicated, or made up of many interconnected parts.
complexity theory
nounC2
/kəmˈpleksɪti ˈθɪəri/The study of complex systems and how they behave.
complexometric titration
nounVery low (Technical/Scientific)
/ˌkɒm.plek.səʊˈme.trɪk taɪˈtreɪ.ʃən/A quantitative chemical analysis method that uses the formation of a colored complex to determine the concentration of a metal ion in solution.
complexometry
nounVery Low
/ˌkɒm.plekˈsɒm.ɪ.tri/A method of volumetric chemical analysis in which the formation of a complex between the analyte and a titrant is used to determine the endpoint of a titration.
complexone
nounVery Low (Technical)
/ˈkɒm.plɛk.səʊn/A type of chemical ligand, specifically an aminopolycarboxylic acid (like EDTA), that binds strongly to metal ions.
compliance
nounHigh
/kəmˈplaɪ.əns/The act of conforming, submitting, or obeying a rule, request, law, or standard.
compliance officer
nounC1-C2
/kəmˈplaɪəns ˌɒfɪsə/An employee of an organization whose job is to ensure that the organization and its employees follow all applicable laws, regulations, internal policies, and ethical standards.

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