nano- pref.
[SI: the next quantifier below [micro-]; meaning * 10^(-9)] Smaller than [micro-], and used in the same rather loose and connotative way. Thus, one has [nanotechnology] (coined by hacker K. Eric Drexler) by analogy with `microtechnology'; and a few machine architectures have a `nanocode' level below `microcode'. Tom Duff at Bell Labs has also pointed out that "Pi seconds is a nanocentury". See also [quantifiers], [pico-], [nanoacre], [nanobot], [nanocomputer], [nanofortnight].
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