Robert P. Munafo, 2010 Oct 21.
colloquial name for an island mu-molecule.
Not at all related to multibrot set, which is an entirely different thing.
Images and Links
R2F(1/2B1)S, the largest island
A cluster of islands in the R2.2/5 radical
R2F(1/15B1)S, located in the cusp R2.C(0), a highly distorted island
revisions: 20020506 oldest on record; 20101021 add images and links
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2013. Mu-ency index