Robert P. Munafo, 2010 Sep 20.
direction and directional modifier used in either of
1. The direction in which the real coordinate decreases towards negative
infinity. Also called left.
2. Relative to a mu-molecule, refers to the same side or direction
as that mu-molecule's tip.
Usage is analogous to the terms south and southern; see that article
The west external angle is 1/2, and the filament subset operator
for the filament off the western side of a mu-molecule is
FS[(1/2B1)t] (which can be abbreviated FS).
See also utter west, spike, and the other directions:
19960221 oldest on record;
20100920 add relative definition (sense 2) and more links
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2012. Mu-ency index