from The American Heritage® Dictionary of the English Language, 4th Edition
- Life; living organism: biome.
- Biology; biological: biophysics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
from the GNU version of the Collaborative International Dictionary of English
- a prefix meaning of or pertaining to life, produced by living things, etc.
from The Century Dictionary and Cyclopedia
- An element in many compound words, chiefly scientific, meaning life.
Greek, from bios, life; see gwei- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek βίος ("life"). (Wiktionary)