深海(しんかい)

しんかい
noun
deep sea; ocean depths
1. deep sea; ocean depths; deep ocean
The deepest parts of the ocean, generally considered to be below 200 meters where sunlight does not reach. Used in scientific, documentary, and general contexts.
深海(しんかい)には不思議(ふしぎ)な生(い)き物(もの)がいる。
There are mysterious creatures in the deep sea.
深海(しんかい)探査(たんさ)ロボットが海底(かいてい)の映像(えいぞう)を送(おく)ってきた。
The deep-sea exploration robot sent back footage of the ocean floor.
深海(しんかい)は水圧(すいあつ)が非常(ひじょう)に高(たか)く、人間(にんげん)が直接(ちょくせつ)潜(もぐ)ることはできない。
The water pressure in the deep sea is extremely high, and humans cannot dive there directly.

USAGE:
深海(しんかい) combines 深(しん) (deep) and 海(かい) (sea). It is commonly used as a modifier in compound expressions.

COMMON COLLOCATIONS:

  • 深海(しんかい)魚(ぎょ) (deep-sea fish)
  • 深海(しんかい)探査(たんさ) (deep-sea exploration)
  • 深海(しんかい)生物(せいぶつ) (deep-sea organisms)
  • 深海(しんかい)に潜(もぐ)る (to dive into the deep sea)

SIMILAR WORDS:
海底(かいてい) means the sea floor or ocean bottom, focusing on the surface rather than the water column. 深海(しんかい) refers to the deep ocean environment as a whole.

general
Added 2026.3.9 19:27
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