WordGarden.iogeologic
C2Pronunciation
UK
- /dʒˌɪəlˈɒdʒɪk/
US
- /ˌdʒiəˈlɑdʒɪk/
Meanings
Adjective
relating to geology or the earth's rocks, structure, and history
Beyond the definition
Imagine you're digging in your backyard and uncover an interesting rock. That rock holds clues about the history of the Earth: how it formed, how it changed over millions of years, and sometimes even signs of past life. When something is geologic, it relates to that long history and to the materials and forces that shape our planet. It is not just about rocks. Geologic can also describe landforms like mountains and canyons, or events like earthquakes and volcanic eruptions. A geologist is really studying the long story of the world beneath our feet.
The word geologic describes anything related to the origin, structure, processes, and history of the Earth. It comes from geology, which is the study of the Earth, plus the adjective ending -ic. It is most often used as an adjective, as in geologic time, geologic formations, or geologic activity. It is a basic word in fields such as geology, paleontology, geography, and environmental science.
But geologic is not limited to textbooks or classrooms. You might hear about a geologic survey checking land before construction, or a geologic hazard such as an earthquake, landslide, or volcanic risk. It can also describe the features of the land itself. The geologic layers in a cliff, for example, can show a long record of sediment being laid down, pressure building up, and land being worn away.
Think of it this way: if something helps explain what the Earth is made of, how it formed, or how it changes over time, it is probably geologic. The word can point to very slow changes, such as the movement of continents, or sudden ones, such as an earthquake or a volcanic eruption. It connects the land we see today with the long and powerful history that shaped it.
Examples
- 1
Rock layers
The cliffs expose geologic layers that are more than 100 million years old.
- 2
Earth history
Scientists are studying the island's geologic history to understand how the volcano formed.
- 3
Earthquake activity
Even a small earthquake can be a sign of geologic activity below the surface.
- 4
Time comparison
Climate change is happening fast, but on a geologic timescale, human history is very short.
- Phraseon a geologic timescale
compared with the extremely long time periods of Earth history
See also
Similar
- geological
- geoscientific
Shades of meaning
- tectonic
- stratigraphic
- lithologic
Contrast
Used with (collocations)
- geologic time
- geologic record
- geologic formation
- geologic processes
Word family
Explore
- earth science
- rock cycle
Forms and spellings
1 form open this card.
Main spelling
- geologicadjective