| Library / English Dictionary |
NAVIGATIONAL INSTRUMENT
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An instrument used for navigating
Classified under:
Nouns denoting man-made objects
Hypernyms ("navigational instrument" is a kind of...):
instrument (a device that requires skill for proper use)
Hyponyms (each of the following is a kind of "navigational instrument"):
artificial horizon; flight indicator; gyro horizon (a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot)
compass (navigational instrument for finding directions)
depth finder (navigational instrument used to measure the depth of a body of water (as by ultrasound or radar))
inclinometer (an instrument showing the angle that an aircraft makes with the horizon)
asdic; echo sounder; sonar (a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return)
