Definition

1. Noun:
   • Cobble, cobblestone: A naturally rounded stone, larger than a pebble, that has been worn smooth by the action of water. Historically, such stones were used to pave streets.
   • Pebble: A small, smooth, rounded stone, especially one found on a beach or in a riverbed.

Usage Examples

• Noun:
  • Con đường được lát bằng đá cuội. (The road was paved with cobblestones.)
  • Bọn trẻ nhặt những viên đá cuội bên bờ sông. (The children picked up pebbles by the riverbank.)
  • Bãi biển này có rất nhiều đá cuội đủ màu sắc. (This beach has many colorful pebbles.)

Advanced Usage

• "sỏi đá cuội": A more specific geological term for gravel, often referring to a mix of small, rounded stones.
  • Khu vực này có nhiều mỏ sỏi đá cuội. (This area has many gravel pits.)

Variants and Related Words

• Đá dăm (n): Crushed stone, aggregate. This refers to mechanically broken stone with angular edges, unlike the smooth, rounded form of đá cuội.

  • Đá dăm được dùng làm vật liệu xây dựng. (Crushed stone is used as a construction material.)

• Sỏi (n): Gravel. This is a general term for small stones, often a mix of sizes, and can include đá cuội.

  • Họ rải sỏi xuống lối đi trong vườn. (They spread gravel on the garden path.)

Synonyms

• Cobblestone: A rounded stone used for paving.
• Pebble: A small, smooth stone.
• River stone: A stone worn smooth by river water.

Related Idioms

• Cứng như đá cuội: To be as hard as a pebble; describing something or someone very hard or stubborn.

  • Mảnh đất này cứng như đá cuội. (This soil is as hard as a rock/pebble.)

• Lòng dạ đá cuội: A heart of stone; describing a person who is unfeeling or merciless.

  • Hắn ta có lòng dạ đá cuội, chẳng biết thương xót ai. (He has a heart of stone and shows no mercy to anyone.)

1. Coobble, pebble