complementation

kom-pluh-men-TAY-shuhn /ˌkɒm.plɪ.mɛnˈteɪ.ʃən/
nounC2GRE
AcademicLinguisticTechnical

The act or process of completing something; in linguistics, the structural relationship between a head word and its complement clause.

A specialized technical term used chiefly in syntax, genetics, and formal logic.

The story behind the word. Coined in the 19th century by grammarians and logicians seeking a formal noun to denote the systemic process of structural fulfillment within grammatical clauses and biological systems.

Word relationships

  • completion: 'Completion' is the general act of finishing, whereas 'complementation' is technical structural completion.

Commonly confused with

  • compliment: 'Complementation' is a technical term for grammatical or biological completion, utterly unrelated to praise.

Word family

  • complement (noun/verb): That which completes.
  • complementary (adjective): Forming a complete whole.

Collocations

  • verb complementation
  • complementation test
  • pattern of complementation

Example sentences

  • "The study of verb complementation reveals how different dialects construct dependent clauses following mental-state verbs." Linguistic analysis
  • "Genetic complementation testing confirmed that the two mutant strains contained mutations on entirely different genes." Genetics research

Memory hook

Complementation = Complement + Nation of Grammar rules. Complementation is technical grammar completion.

When not to use

Do not use in casual everyday speech when simple addition or praise is meant.

Fun facts

  • In genetics, a 'complementation test' determines whether two mutations causing the same phenotype are in the same gene or different genes.
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