Definition of petrograph in English:

petrograph

noun ˈpɛtrə(ʊ)ɡrɑːfˈpɛtrə(ʊ)ɡraf

Early 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From petro- + -graph.

noun

Early 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From petro- + -graph.

单词	petrograph
释义	Definition of petrograph in English: petrograph noun ˈpɛtrə(ʊ)ɡrɑːfˈpɛtrə(ʊ)ɡraf A carving, especially writing, upon a rock; a rock inscription. Origin Early 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From petro- + -graph. Definition of petrograph in US English: petrograph noun A carving, especially writing, upon a rock; a rock inscription. Origin Early 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From petro- + -graph.
随便看	monotrochal Monotropa monotropaceous monotrope monotrope monotropes monotrophic monotropic monotropically monotropism monotropy monotypal monotype monotypes monotypic monotypical monotypy monounsaturate monounsaturate monounsaturated monounsaturates monovalence monovalency monovalent monovular