名詞 geology:

1. a science that deals with the history of the earth as recorded in rocks

1. A point, line, or surface used as a reference, as in surveying, mapping, or geology.
   資料用作參考的點、線或面，如在調(diào)查、制圖或地理中
2. Geology here passes over the continuation of the history of man to Archeology.
   地質(zhì)學(xué)在此把人類歷史的延續(xù)移交給考古學(xué)。
3. The branch of geology that deals with the origin, composition, structure, and alteration of rocks.
   巖石學(xué)地質(zhì)學(xué)的一個分支，研究巖石的起源、成分、結(jié)構(gòu)和演變
4. I've studied geology in my college.
   我在大學(xué)里已經(jīng)學(xué)過地質(zhì)學(xué)。

ge.ol.o.gy

n.（名詞）
【復(fù)數(shù)】 ge.ol.o.gies 縮寫 geol.
The scientific study of the origin, history, and structure of the earth.
地質(zhì)學(xué)：對地球起源、歷史和結(jié)構(gòu)的科學(xué)研究
The structure of a specific region of the earth`s crust.
地況，地質(zhì)情況：某一地區(qū)地殼的結(jié)構(gòu)
A book on geology.
地質(zhì)學(xué)書籍或論著
The scientific study of the origin, history, and structure of the solid matter of a celestial body.
天體學(xué)：對天體的固體物質(zhì)的來源、歷史和結(jié)構(gòu)的科學(xué)研究

來源：
Medieval Latin geôlogia [study of earthly things]
中世紀拉丁語 geôlogia [對地球上物質(zhì)的研究]
Greek geô- [geo-]
希臘語 geô- [地理學(xué)的]
Greek -logia [-logy]
希臘語 -logia [理論，科學(xué)]

【引伸】
ge.olog.ic
ge.olog.ically
adv.（副詞）
geol.ogist
n.（名詞）