Full record for robo- n.

Definition combining form of robot(ic)
OED requirements antedating 1945
Earliest cite A.E. van Vogt, "World of Null-A"
Comment Jeff Prucher submitted a 2003 cite from a reprint of Michael Swanwick's 2002 "Slow Life" for the form "robofish".
Irene Grumman submitted a 2002 cite from a reprint of Nancy Kress' 2000 "Probability Moon" for the form "robomeds".
Fred Galvin submitted a 1953 cite from Roger Dee's "The Minister Had to Wait" for the form "robojet".
Fred Galvin submitted a 1956 cite from Stanley Mullen's "The Lair of the Phoenix" for "robotruck".
Fred Galvin submitted a cite for "robocomputer" from a 1951 reprint of Poul Anderson's "The Double-Dyed Villains"; Mike Christie verified the cite in the 1949 original.
Fred Galvin submitted a 1963 cite for "robovalet" from Michael Girsdansky's "Science and Science Fiction: Who Borrows What?"
Mike Christie submitted a 1945 cite for "roboplane" from A.E. van Vogt's "World of Null-A".

OED entry revised June 2010, with van Vogt's 1945 citation listed as the earliest

Last modified 13 June, 2010