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tacheo-

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combining form
a variant of tachy-
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

WORDS THAT USE TACHEO-

What does tacheo- mean?

Tacheo- is a combining form used like a prefix meaning “swift.” It is used in a few land surveying terms.

Tacheo- ultimately comes from the Greek tachýs, meaning “swift.”

Tacheo- is a variant of tachy-. Want to know more? Read our Words That Use tachy- article. Closely related to tacheo- and tachy- is tacho-, which you can learn more about in our article on Words That Use tacho-.

Examples of tacheo-

Very few words use the combining form tacheo-. (The form tachy- is much more common.)

One example is the word tacheometer (also called a tachymeter), a tool used in surveying that can quickly measure distances, elevations, and directions. The measurement of distances, elevations, and directions using a tacheometer is known as tacheometry.

What are some other forms that tacheo- may be commonly confused with?

Break it down!

Tacheo- means “swift” and -metry means “the process of measuring.” What, then, does tacheometry literally translate to?

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