holograph

• Nom désignant un document entièrement écrit ou signé de la main de son auteur, ou bien une image photographique utilisée pour créer un effet tridimensionnel par holographie.

A noun referring to a handwritten document or book, or to the photographic record used to create a three-dimensional image through holography.

1. Handwritten documentC1formal

   A document, such as a letter or manuscript, written entirely by hand by its author.

   Document manuscrit autographe

   • The museum displayed a holograph of the poet's original work.
   • The will was a holograph, written and signed by the deceased.
   • Scholars studied the author's holograph to understand his revisions.

   Synonymesautographmanuscript

2. Holographic recordC2formaltechnical

   An intermediate photographic record used to create a three-dimensional image through holography.

   Hologramme intermédiaire

   • The scientist examined the holograph under a laser to reconstruct the 3D image.
   • A holograph is essential for storing the interference pattern in holography.
   • The team produced a high-quality holograph of the artifact.

   Synonymeshologram