different between fathometer vs sextant

English

Etymology

fathom (“nautical length measurement used for depth”) +? -meter

Noun

fathometer (plural fathometers)

1. (nautical) A depth finder that uses sound waves to determine the depth of water.
   • 1977, Richard O'Kane, Clear the Bridge: The War Patrols of the U.S.S. Tang (Ballantine Books, 2003), page 347:

     A Fathometer is just a vertical echo-ranger; its pings would sound the same and could drive a submarine out of position just as effectively as horizontal echo-ranging and might even make a contact.

Translations

English

Etymology

From Latin sext?ns.

Pronunciation

• IPA^(key): /?s?kst?nt/

Noun

sextant (plural sextants)

1. (nautical) A navigational device for deriving angular distances between objects so as to determine latitude and longitude.
   • 1918, Edgar Rice Burroughs, The Land That Time Forgot Chapter IV

     For several days things went along in about the same course. I took our position every morning with my crude sextant; but the results were always most unsatisfactory. They always showed a considerable westing when I knew that we had been sailing due north. I blamed my crude instrument, and kept on.

2. (geometry) One sixth of a circle or disc; a sector with an angle of 60°.
3. (dentistry) One of six groups of adjacent teeth, excluding the wisdom teeth. The front sextants go from canine to canine, and there are sextants on the right and left of these. See w:Periodontal examination.

Translations

See also

• octant
• quadrant
• Wikipedia article on Sextant

Anagrams

• exstant

Czech

Noun

sextant m

1. sextant

French

Pronunciation

• IPA^(key): /s?k.st??/

Noun

sextant f (plural sextants)

1. sextant

Further reading

• “sextant” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Romanian

Etymology

From French sextant.

Noun

sextant m (plural sextan?i)

1. sextant

Declension