holograph

From holo- +‎ -graph.

holograph (plural holographs)

1. (law, textual criticism) A handwritten document that is solely the work of the person whose signature it bears, especially a letter, deed, or will; an original manuscript, a protograph.
2. A hologram.
   • 1966, Electronic Design, volume 14, numbers 14-17, page 18:

     But when a holograph is placed backwards in its holder and illuminated with laser light, it can produce a real image […]

   • 1972, Army Research and Development, volumes 13-14, page 10:

     Producing a holograph involves illumination of an object through the use of intersecting laser beams.

   • 1983, Ellen Nevins, Encyclopedia of Computers and Electronics, page 108:

     Of course, it is impossible to show what a holograph is really like in a two dimensional picture such as this.

holograph (third-person singular simple present holographs, present participle holographing, simple past and past participle holographed)

1. To record by means of holography.

holograph (not comparable)

1. (of a document) Handwritten by the person whose signature it bears.
   • 1886, Robert Louis Stevenson, Strange Case of Dr Jekyll and Mr Hyde:

     The will was holograph, for Mr. Utterson, though he took charge of it now that it was made, had refused to lend the least assistance in the making of it;

• Beal, Peter (2008), “holograph”, in A Dictionary of English Manuscript Terminology, 1450-2000‎^[1], New York: Oxford University Press, →ISBN, →OCLC, page 188.