elaboration

Concise Oxford English Dictionary © 2008 Oxford University Press:
elaborate

▶adjective /ɪˈlab(ə)rət/ involving many carefully arranged parts; detailed and complicated. ▶verb /ɪˈlabəreɪt/ 

• 1 develop or present in further detail.

  ■ (often elaborate on) add more detail to something already said.

• 2 Biology (of a natural agency) produce (a substance) from its elements or simpler constituents.

– derivatives
elaborately adverb,
elaborateness noun,
elaboration noun,
elaborative adjective,
elaborator noun.

– origin C16 (earlier (ME) as elaboration): from L. elaborat-, elaborare ‘work out’.