igneous
/'igniəs/
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Definition
- Adjective:
- Relating to or characteristic of fire; fiery: Describing something that resembles, suggests, or is produced by fire.
- Formed by solidification from a molten state: Specifically in geology, describing rocks that have solidified from magma or lava.
Usage and Examples
- Adjective (Fiery):
- The artist captured the igneous glow of the sunset.
- An igneous heat radiated from the forge.
- Adjective (Geological):
- Granite and basalt are common types of igneous rock.
- The island was formed by igneous activity millions of years ago.
Advanced Usage
- "Igneous intrusion": A geological formation where magma has solidified underground.
- The landscape features a large igneous intrusion called a batholith.
- "Igneous province": A large region with extensive accumulations of igneous rocks.
- The Deccan Traps in India are a major volcanic igneous province.
Variants and Related Words
- Pyrogenic (adj): Produced by or involving intense heat, especially from a molten source. Often used synonymously in geological contexts.
- Pyrogenic minerals crystallize from cooling magma.
- Magmatic (adj): Pertaining to magma. More specific than "igneous," focusing on the molten material itself.
- The rock's composition reveals its magmatic origin.
Synonyms
- Fiery: Having the qualities of fire; intensely hot or passionate.
- Volcanic: Of, relating to, or produced by a volcano. (A specific type of igneous process/rock).
- Molten: Made liquid by heat. (Describes the state before becoming igneous rock).
Antonyms
- Sedimentary: (In geology) Rock formed from sediment deposited by water or wind.
- Metamorphic: (In geology) Rock that has been transformed by heat and pressure.
Related Phrases and Terms
- "Igneous petrology": The branch of geology dealing with the study of igneous rocks.
- She specialized in igneous petrology to understand volcanic formations.
- "Plutonic igneous rock": Igneous rock formed from magma that cooled slowly deep within the Earth's crust (e.g., granite).
- Plutonic igneous rocks typically have larger crystals.
- "Extrusive igneous rock": Igneous rock formed from lava that cooled quickly on the Earth's surface (e.g., basalt).
- Obsidian is a glassy extrusive igneous rock.
Adjective
- like or suggestive of fire
- a fiery desert wind
- an igneous desert atmosphere
- produced by the action of fire or intense heat
- rocks formed by igneous agents
- produced under conditions involving intense heat; especially from molten magma"
- igneous rock is rock formed by solidification from a molten state
- igneous fusion is fusion by heat alone
- pyrogenic strata