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a combining form meaning “god,” used in the formation of compound words:
Also, especially before a vowel, the-.
Origin of theo-
< Greek, combining form of theós Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for theo
Contemporary Examples
Historical Examples
  • The shock upset her at first, and she wanted theo to stay behind.

  • "I daresay it would," theo managed to reply, with a decent show of interest.

    Theo Mrs. Frances Hodgson Burnett
  • theo glanced up in surprise at the irrelevance of the inquiry.

    The Story of Porcelain Sara Ware Bassett
  • But he managed to end his conversation with theo unconstrainedly enough.

    Theo Mrs. Frances Hodgson Burnett
  • Miss theo and her mother were obliged to confess in their hearts that their hero was but an ordinary mortal.

    The Virginians William Makepeace Thackeray
British Dictionary definitions for theo


combining form
indicating God or gods: theology
Word Origin
from Greek theos god
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
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theo in Technology

A frame language.
["Theo: A Framework for Self-Improving Systems", Mitchell et al, in Architectures for Intelligence, K. VanLehn ed, Erlbaum, 1989].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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