Parts of a stable liquid phase containing nanosizes particles.

Reference : Terminology for Nanomaterials and Nanotechnology, Association of Metallurgical Engineers of Serbia

It is dispersed/suspended within a fluid medium as a result of net repulsion forces that prevent a macroscopic phase separation during a non-negligible useful period of time.The average size of particles of the material is smaller than 1 micrometer and typically in the 1-100 nm range.

Reference : Nanocolloids: A Meeting Point for Scientists and Technologists, Elsevier Inc. 2016

SCIENCE
Time		Quantity	Unit	Source	Last Update	Rank
Average citation per nano-article 
2018/01/01	2018/12/31	1.52	Citation per article	Web of Science (ISI Web of Knowledge)	2019/05/10	39th	
h-Index of nano-articles 
2018/01/01	2018/12/31	10.00	--	Web of Science (ISI Web of Knowledge)	2019/05/10	26th	
ISI indexed nano-articles 
2018/01/01	2018/12/31	817	Article	Web of Science (ISI Web of Knowledge)	2019/05/10	22th	
Total number of citations to nano-articles 
2018/01/01	2018/12/31	1,239	Citation	Web of Science (ISI Web of Knowledge)	2019/05/10	22th	
INNOVATION
Time		Quantity	Unit	Source	Last Update	Rank
Nanotechnology patents in USPTO 
2018/01/01	2018/12/31	45	Patent	Orbit.com	2019/05/01	22th	
Nanotechnology published patent applications in USPTO 
2018/01/01	2018/12/31	56	Patent	Orbit.com	2019/05/01	23th	