One of the three domains of life. Archaea are unicellular and have a combination of characteristics unlike those of the other two domains.

Was this definition helpful? Yes No Would you have liked more information? No Yes     This site is dependent on visitors like you. If you think you can add more to this definition or see a correction that needs to be made, click on the EDIT button below and fix it. By working together we can make this site an excellent resource for all!