Quaternary

Qua·ter·nar·y
UK: /kwəˈtɜː.nər.i/  
nafnorð
  • kvartertímabil (jarðsögulegt tímabil)

Samheiti: Age of Man, four, foursome, fourth, IV, quadruplet, quartet, quatern, quaternary, Quaternary period, quaternate, quaternion, quaternity, tetrad