Surfactant

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1. A surface active agent, one that reduces surface tension on plant materials. Wetting agents are common examples.

sample1_nr.jpg

This image shows a new type of sufactant.
Source: http://www.sandia.gov/news-center/news-releases/2005/mat-chem/cleavable-surfactant.html

surfactant.jpg

This image shows a student using a surfactant in a chemistry lab.
Source: http://www.lawrence.edu/dept/chemistry/nano/valleyschool.htm