(いわ)

いわ
noun
rock, boulder
1. rock, boulder
A large, solid piece of stone, bigger than a stone ((いし)) but part of the natural landscape. Often found in mountains, by the sea, or in rivers.
There was a big rock.
I sat on a rock.
There are many rocks near the sea.
Climbing rocks is dangerous.
While walking in the mountains, I saw a big rock. There was a bird on top of that rock.

(いわ) refers to large rocks, boulders, or rock formations found in nature—larger than (いし) (stone).

SIZE DISTINCTION:

  • (いし): stones, pebbles (can be picked up)
  • (いわ): boulders, rock faces (too large to move)

COMMON EXPRESSIONS:

  • (いわ)(うえ): on top of a rock
  • (いわ)(のぼ)る: to climb a rock
  • 岩場(いわば): rocky area

COMPOUNDS:

  • 岩山(いわやま): rocky mountain
  • 岩肌(いわはだ): rock face, bare rock surface
  • 溶岩(ようがん): lava
  • 岩登(いわのぼ)り: rock climbing

CULTURE:
Rocks hold significance in Japanese gardens (日本庭園(にほんていえん)), where carefully placed (いわ) represent mountains or islands.