Structure greater than or equal to 0,5 micro with an aspect ratio of 5 : 1 or greater, and having substantially parallel sides
A panicle having a length to diam
Paniculate at least 5 micr (length to width ratio) of at least 3 : 1. A rodlike st of greater than 3 : Land ers in length with an aspect ratio re having a lenglh of at least three
a solid particle whose length is at least three times its width
any material that has been drawn into a cylinder with a length-to-diameter ratio greater than about ten.
An individual rod of glass of sufficiently small diameter to be flexible, having a known or approximate limit of length.
Any particulate contaminant with a length at least three times greater than its width. [From §210.3(b)(5)
Unit of matter characterized by a high ratio of length to width.