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tacho-

American  
  1. a combining form meaning “speed,” used in the formation of compound words.

    tachometer.


tacho- British  

combining form

  1. speed

    tachograph

    tachometer

"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

Usage

What does tacho- mean? Tacho- is a combining form used like a prefix meaning “speed.” It is especially used in scientific terms.Tacho- comes from the Greek táchos, meaning “speed.”Related to tacho- is tacheo-, as in tacheometry, and tachy-, as in tachygraph.Want to know more? Read our articles Words That Use tacheo- and Words That Use tachy-.

Etymology

Origin of tacho-

Combining form representing Greek táchos; akin to tachýs swift

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Long the left-leaning fulcrum of the country, León, the country’s second largest city with about 210,000 people, was among the first to rebel against Anastasio “Tachito” Somoza DeBayle whose father, Anastasio “Tacho” Somoza, had been gunned down here in 1956 by Rigoberto López Pérez.

From New York Times

It has inspired a trans-border clutch of gifted artists like Tacho Utrera Laudería from Consolapan, Veracruz, revered for his elegant ebony and cedar requintos.

From New York Times

Cordova's father, Anastacio "Tacho" Cordova, suffered multiple forms of cancer.

From US News

Cordova’s father, Anastacio “Tacho” Cordova, later suffered from multiple forms of cancer.

From Washington Times

Cordova’s father, Anastacio “Tacho” Cordova, was a 3-year-old Tularosa resident at the time of the blast and later suffered from multiple forms of cancer.

From Washington Times