1.
depth; degree of depth
A technical measurement of how deep something is, used in geology for earthquake depth, in oceanography for sea depth, and in photography for depth of field.
水深深度を計測する。
To measure the water depth.
震源の深度は約10キロメートルだった。
The depth of the earthquake's epicenter was about 10 kilometers.
この湖は最大深度が400メートルを超え、日本で最も深い湖として知られている。
This lake has a maximum depth exceeding 400 meters and is known as the deepest lake in Japan.
A technical or formal term for the measurement of depth, especially in scientific and geographic contexts. Combines 深 (deep) and 度 (degree, measure).
USAGE:
- Used as a measurable quantity — how deep something is, expressed numerically
- Common in geology (earthquake depth), oceanography (sea depth), and photography (depth of field)
- Not to be confused with the homophone 進度 (degree of progress) or 震度 (seismic intensity)
COMMON COLLOCATIONS:
- 震源深度: depth of earthquake hypocenter
- 最大深度: maximum depth
- 被写界深度: depth of field (photography)
- 深度を測る: to measure depth
SIMILAR WORDS:
- 深さ: depth — the everyday word for how deep something is
- 水深: water depth — specifically for bodies of water
- 奥行き: depth, perspective — spatial depth of a physical space or object