Definition: prefix (spiro-) - respiration
Examples: spirometer (spiro-meter) - instrument for measuring the volume of air entering and leaving the lungs
By Regina Bailey, About.com
Tips that will help finance your education, excel in the classroom, and advance your career. More >
Being well prepared is the first step; here are more essential suggestions. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.