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):
denoting 10–9: nanosecond, n
indicating extreme smallness: nanoplankton
introduced 1947 (at 14th conference of the Union Internationale de Chimie) as a prefix for units of one thousand-millionth part, from Greek nanos “a dwarf.” According to Watkins, this is originally “little old man,” from nannos “uncle,” masc. of nanna “aunt” (see nana). Earlier it was used as a prefix to mean “dwarf, dwarfish,” and still in a non-scientific sense of “very small.”
[nan-uh-fos-uh l] /ˌnæn əˈfɒs əl/ noun 1. any fossil so small that it is near or below the limit of resolution of a light microscope.
[nan-uh-plangk-tuh n] /ˌnæn əˈplæŋk tən/ noun 1. the smallest of the microplankton; the aquatic organisms that can pass through fine mesh plankton nets. nannoplankton also nanoplankton (nān’ə-plāngk’tən) Plankton of minute size, especially plankton composed of organisms measuring from 2 to 20 micrometers.
[nan-ee] /ˈnæn i/ noun, plural nannies. 1. a person, usually with special training, employed to care for children in a household. [nan-ee] /ˈnæn i/ noun 1. a female given name. /ˈnænɪ/ noun (pl) -nies 1. a nurse or nursemaid for children 2. 3. a child’s word for grandmother verb nannies, nannying, nannied 4. (intransitive) to […]
[nan-ee-ber-ee] /ˈnæn iˌbɛr i/ noun, plural nannyberries. 1. .