| nano- | 1. Combining form relating to dwarfism (nanism). 2 (n). Prefix used in the SI and metric systems to signify one-billionth (10-9). Origin: G. Nanos, dwarf (05 Mar 2000) |
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| nanocephalia | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |
| nanocephalous | microcephalous |
| nanocephaly | Synonym: microcephaly. Origin: nano-+ G. Kephale, head (05 Mar 2000) |
| nanocormia | Synonym: microsomia. Origin: nano-+ G. Kormos, trunk (05 Mar 2000) |
| nanogram | One-billionth of a gram (10-9 g). Abbreviation: ng (05 Mar 2000) |
| nanokatal | One-billionth of a katal (10-9 kat). Abbreviation: nkat (05 Mar 2000) |
| nanomelia | Synonym: micromelia. Origin: nano-+ G. Melos, limb (05 Mar 2000) |
| nanometer | One-billionth of a meter (10-9 m). Abbreviation: nm (05 Mar 2000) |
| nanometre | <unit> A metric unit of length measurement. 1x10 exp-9 metres or 0.000000001 metres, 4x10 exp-8 inches or 0.00000004 inches about 10 average atoms in a lattice. Abbreviation: nm (05 Aug 1998) |
| nanophthalmos | Synonym: microphthalmos. Origin: nano-+ G. Ophthalmos, eye (05 Mar 2000) |
| Nanophyetus salmincola | A digenetic fish-borne fluke (family Nanophyetidae) of dogs and other fish-eating mammals; the vector of Neorickettsia helmintheca, the agent of salmon poisoning. Synonym: Troglotrema salmincola. (05 Mar 2000) |
| nanovid microscopy | <procedure> Technique of bright field light microscopy using electronic contrast enhancement and maximum numerical aperture. (18 Nov 1997) |