Example Sentences
"Granite is an igneous rock that cooled slowly underground."
"Basalt is an igneous rock that cooled quickly on Earth's surface."
Synonyms & Related Terms
Quick Check
Which best describes the meaning of igneous?
Study Tips
To remember igneous, try writing it in a sentence of your own. Connect it to something you already know about geography.
Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.