Definitions For Xi

noun

• The 14th letter of the Greek alphabet
• The cardinal number that is the sum of ten and one

adjective

• Being one more than ten

Noun

• The 14th letter of the Greek alphabet. See Table at alphabet.

Acronym

• Xploring Inner Space
• Extensible Information Server
• Xerox Imaging Systems
• Xtreme Internet Solutions
• X-ray Imaging Spectrometer
• Xerox Imaging Systems (now Nuance Communications; Burlington, MA)
• Xiamen International School (China)
• Extensible Information Systems (Polexis, Inc.)
• XML Integration Services
• X-ray Isochromat Spectroscopy
• Xenon Infrared Searchlight
• XACCT Interface Server (XACCT)
• XML (Extensible Markup Language) Intranet System (software)
• Xtranet Internet Services (South Africa)
• Xapakdy Integrations Systems (York, PA)