The definition of 'keyer' & the word 'keyer' in example sentences or phrases

Adjective satellite
1
serving as an essential component
  1. a cardinal rule
  2. the central cause of the problem
  3. an example that was fundamental to the argument
  4. computers are fundamental to modern industrial structure

Synonyms of the word 'keyer' & Antonyms of the word 'keyer'.

Adjective satellite
Synonymskey, central, primal, cardinal, fundamental,