marigraph

American  

[mar-i-graf, -grahf] / ˈmær ɪˌgræf, -ˌgrɑf /

noun

1. a device that automatically registers the rise and fall of the tide.

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marigraph British  

/ -ˌɡrɑːf, ˈmærɪˌɡræf /

noun

1. a gauge for recording the levels of the tides

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Other Word Forms

• marigraphic adjective

Etymology

Origin of marigraph

1855–60; < Latin mari- (combining form of mare sea) + -graph

Example Sentences

This marigraph, constructed on an order of the German Admiralty, gives the level of the sea every ten minutes with an approximation of 0.12 per cent., and that too for a difference of 8 meters between the highest and lowest sea.

From Project Gutenberg

For registering the height of the tide at every instant, hydrographic services generally adopt quite a simple marigraph.

From Project Gutenberg