Dictionary.com
Thesaurus.com

angio-

American  
  1. a learned borrowing from Greek meaning “vessel,” “container,” used in the formation of compound words.

    angiosperm.


angio- British  

combining form

  1. indicating a blood or lymph vessel; seed vessel

    angiology

    angiosperm

    angioma

"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 angio- mean? Angio- is a combining form used like a prefix meaning “vessel” or “container.” It is used in medical and scientific terms. In anatomy, angio- specifically refers to blood and lymphatic vessels. In botany, angio- specifically refer to seed vessels. Angio- comes from the Greek angeîon, meaning “vessel, vat, shell.”What are variants of angio-?When combined with words or word elements that begin with a vowel, angio- becomes angi-, as in angiectomy.

Etymology

Origin of angio-

< Greek, combining form representing angeîon, equivalent to áng ( os ) vessel, vat, shell + -eion diminutive suffix