Definition of demy in English:

demy

(also metric demy)

noun

  • 1A paper size, now standardized at 564 × 444 mm.

    • ‘All books are in metric Demy format unless otherwise stated.’
    1. 1.1 A book size, now standardized at 216 × 138 mm.
      • ‘The first edition in English, of 1868, was in two volumes demy octavo, the only Murray Darwin to appear in this format, and it occurs in two issues.’
      • ‘There are many standard formats – Metric Demy Octavo (216 x 138. mm) or Metric Crown Octavo (186 x 123 mm) are common ones.’
      • ‘John Ruskin and the Lakeland Arts Revival 1880-1920, a sewn-section demy octavo paperback of 288 pages with a full-colour cover, will be published on 6 April 2004 at £14.95.’
      • ‘Twenty-five large paper copies (22.6 x 14 cm, demy octavo) of Ballads and Sonnets were printed on Whatman's rag paper.’
      • ‘In any press, the most frequently used sizes of pages are demy quarto (1/4), demy octavo (1/8), crown quarto and crown octavo.’
    2. 1.2 A book size, now standardized at 276 × 219 mm.
      • ‘In any press, the most frequently used sizes of pages are demy quarto (1.4), demy octavo (1/8), crown quarto and crown octavo.’
      • ‘Reg, Following Pat's email, I think the old Hansard sizes were demy quarto but I could be mistaken.’
      • ‘The book is very nicely got up by the publisher in format metric demy 4to (280 mm × 216 mm; 11 in × 8.5 in) and expertly set by the author.’
      • ‘Those who consult bibliographies may need this information to identify books styled as foolscap folio, demy quarto, or with other such expressions of size and format occurring in early sources.’

Origin

Late Middle English (as an adjective in the sense ‘half-sized’): from demi-, or from its source, French demi ‘half’.

Pronunciation

demy

/dəˈmaɪ//dəˈmī/