Level 29
Level 30

Lesson 59


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centr (root)
Latin root that means "center"
center (word)
center
centrifuge
a machine that spins substances around a center to separate their parts
concentrate
to center your attention on something; pay close attention; to draw toward a center
concentric
having the same center
decentralize
to spread or distribute power away from a central authority
eccentric
behaving "out of the center" - out of the ordinary; not usual; odd
ethnocentric
believing one's own ethnic or cultural group to be better than others
meter
Greek root that means "measure"
millimeter
unit of length that "measures" 1/1000th of a meter
altimeter
a device for measuring altitude, the height above sea level
barometer
a device that measures atmospheric pressure, used to predict changes in the weather
diameter
the measurement of a circle's width, passing through the center
metronome
a device that measures exact spaces in time, used by musicians to help them play at the right speed
parameter
a fixed measure or limit that controls how something is or should be done
speedometer
a device that measures and shows the speed of a motor vehicle