Not controversial enough to spark a long thread.

Actually, bimetal came to mind as in thermostat coil.



"Peter R." wrote in message
...
| Montblack wrote:
|
| ("Jim Macklin" wrote)
| Bi as in bilingual or bisexual
|
| Biplane was out of reach?
|
| Bicycle was the first word that came to my mind.
|
| --
| Peter