Norman | Norman Mailer | Norman architecture | Norman conquest of England | Anglo-Norman | Norman Rockwell | Todd Rundgren | Sweeney Todd | Norman, Oklahoma | Norman Lear | Greg Norman | Jessye Norman | Norman Jewison | Norman Wisdom | Britten-Norman Islander | Norman Foster | Todd Snider | Todd Haynes | Norman Whitfield | Todd McFarlane | Todd Haley | Norman Tebbit | Norman Schwarzkopf, Jr. | Norman McLaren | Norman Davies | Christine Todd Whitman | Anglo-Norman language | Norman Tindale | Norman Thomas | Norman Lamont |
As such, it could be a sociological term, but was actually coined by Alan Rayner and Norman Todd working at Exeter University in the late 1970s, to characterise a particular kind of zone line formed between wood-rotting fungal mycelia.