Ångström (Å)
Ångström (Å), unit used to measure the length of light waves and other extremely small dimensions, named for Swedish physicist Anders Jonas Ångström. It is equivalent to one ten-millionth of a millimeter (1 × 10-10m).
See also: Ångström, Anders Jonas.
Additional topics
21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Anderson, Elizabeth Garrett to Arctic tern