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Words Kanji Guides About

等深線 (とうしんせん) Japanese meaning | Kotomora

等とう深しん線せん

と

う

し

ん

せ

ん

Meanings

1

noun

isobath; depth contour

Technical term used in oceanography, cartography, and geography for a line on a map connecting points of equal depth below a water surface.

この海かい図ずには10メートルごとの等とう深しん線せんが引ひかれている。
This nautical chart has isobaths drawn at 10-meter intervals.

Kanji

等etc., and so forth, class (first)
深deep, heighten, intensify
線line, track

Similar words

等とう高こう線せん
等高線 refers to contour lines of equal elevation on land, while 等深線 refers to lines of equal depth in water.

Etymology

Compound of 等 (equal), 深 (depth), and 線 (line). The term is a direct calque from Western cartographic terminology.