petrography

n. கற்பாறைகளின் அமைப்பு-உருவாக்கம் முதலியவற்றைப்பற்றிய இயலாய்வு விளக்கம்.

Pe*trog"ra*phy, n. Etym: [Petro + -graphy.] 1. The art of writing on stone. 2. The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology.

petrography - Similar Words

petrograph spectrography pterography spectrograph petrographic heterography enterography xerography pyrography optography