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acro-

American  
  1. a combining form with the meanings “height,” “tip end,” “extremities of the body,” used in the formation of compound words.

    acrophobia.


acro- British  

combining form

  1. denoting something at a height, summit, top, tip, beginning, or end

    acropolis

    acrogen

  2. denoting an extremity of the human body

    acromegaly

"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

Etymology

Origin of acro-

< Greek, combining form of ákros topmost, highest; akin to Latin ācer sharp. acme, ear 2

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.

The Acro Criminal Records Office provides records to police, exchanges them internationally and processes certificates for people wishing to work with children or gain emigration visas.

From BBC

On Twitter, customers said they were facing long delays, with many resorting to contacting the Acro Twitter account in the hope of securing their certificates.

From BBC

In the FPV world, this mode is called “Acro” and it really takes hundreds and thousands of hours to get comfortable with it.

From The Verge

Lead researcher Dr David Boilley, a nuclear physicist and chairman of Acro, told the Guardian: “The fact they want to build a dam and have boats going just by the bottom of the Chernobyl reactor – for me this is unbelievable. This is the most contaminated part of the exclusion zone.”

From The Guardian

While it’s unclear what purpose the high-spine “sail” of the “Acro” may have served, some theories believe it may have been a defensive mechanism to appear larger or to regulate body temperature.

From Fox News