Definition

1. Noun:
   • Rock: A general term for the solid, naturally occurring mineral material that forms the Earth's crust. It is an aggregate of one or more minerals.

Usage Examples

• Noun:
  • Ngọn núi này được hình thành từ nham thạch núi lửa. (This mountain is formed from volcanic rock.)
  • Các nhà địa chất nghiên cứu các loại nham thạch khác nhau. (Geologists study different types of rock.)

Advanced Usage

• The term "nham thạch" is more formal and academic than the common word "đá" (stone, rock). It is frequently used in scientific, geological, and formal descriptive contexts.
• "Nham thạch núi lửa" or "nham thạch phun trào": Igneous rock or volcanic rock, specifically rock formed from cooled magma or lava.

Variants and Related Words

• Đá (n): The common, everyday word for "stone" or "rock."
• Đá magma (n): Magmatic rock, a more specific scientific term for rock formed from magma.
• Đá trầm tích (n): Sedimentary rock.
• Đá biến chất (n): Metamorphic rock.

Synonyms

• Rock
• Stone (Note: "Stone" often implies a smaller piece or is used in less scientific contexts.)

Related Terms

• Khoáng vật (n): Mineral.
• Địa chất học (n): Geology.
• Macma (n): Magma.
• Dung nham (n): Lava.

1. (ddi.a) Rock