See Also: notum(medicine)
notum(dictionary)

petrogenesis (iou) and notum (medicine)


petrogenesis (iou)



petrogenesis noun. E20.
[from PETRO-1 + -GENESIS.]
The formation of rocks, esp. igneous and metamorphic rocks; the branch of science that deals with this.
petroge'netic adjective E20.
petroge'netically adverb as regards petrogenesis L20.
petrogenic adjective E20.
petrogeny noun petrogenesis L19.

notum (medicine)


notum


Origin: NL, fr. Gr.

<zoology> The back.

Source: Websters Dictionary