Artificial intelligent assistant

sixteenmo

sixˈteenmo
  [English reading of the symbol 16mo; cf. twelvemo, eighteenmo.]
  = sexto-decimo.

1847 Chambers's Jrnl. 6 Feb. 87/2 Duodecimo, post⁓octavo, eighteenmo, sixteenmo, and a hundred other vos and mos. 1903 Publishers' Circular 28 Mar. 353/2 In folio, octavo, and duodecimo the water-lines are vertical; in quarto and sixteenmo horizontal.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 2d5a25fc54f64d80300821724e8e31b4