As nouns the difference between pictograph and holograph
is that pictograph is a picture that represents a word or an idea; a hieroglyph while holograph is a hologram.
pictograph
English
Noun
(
en noun)
a picture that represents a word or an idea; a hieroglyph
a graphic character
a graph that represents numerical data using pictures.
Synonyms
*pictogram
holograph
English
Noun
(
en noun)
A hologram.
(legal) A handwritten document, especially a letter, deed, or will, that is solely the work of the person whose signature it bears; a manuscript.