Meanings
plural petrograms
- archaeologyA painting on rock, especially one made in prehistoric times.
Cite this entry
petrogram. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/petrogram
“petrogram.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/petrogram. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “petrogram,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/petrogram.
Source: petrogram on Wiktionary, CC BY-SA 4.0.