| a combining form with the meaning “very small, minute,” used in the formation of compound words (nanoplankton); in the names of units of measure it has the specific sense “one billionth” (10-9): nanomole; nanosecond. |
| nano- pref.
[Greek nānos, nannos, little old man, dwarf, from nannās, uncle.] |
nano- pref.
Extremely small: nanoid.
One-billionth (10-9): nanometer.
nano-
|
nano-
/nan'oh/ 1.
Used loosely to mean "small", e.g. nanotechnology, or (rarely), following "nanosecond", to mean a short time, e.g. "I'll be with you in a nano".
[The Jargon File]
(2002-03-02)