Definition of ABSTRACT EXPRESSIONISM. : an artistic movement of the mid-20th century comprising diverse styles and techniques and emphasizing especially an artist's liberty to convey attitudes and emotions through nontraditional and usually nonrepresentational means. â abstract expressionist noun or adjective often capitalized A&E.ADVERTISEMENT. an artistic movement of the mid-20th century comprising diverse styles and techniques and emphasizing especially an artist's liberty to convey attitudes and emotions through nontraditional and usually nonrepresentational means.
SEM Micrograph of Red Blood Cells, Which are About 5 microns in Diameter. A micron is an abbreviated term for micrometer, or a millionth of a meter (1/1,000,000 meters). This is about .00004 inches. For Size comparison, a human red blood cell is about 5 microns across. A human hair is about 75 microns across (depending on the person). Bacteria can be between about .2 microns and 3 microns in size.
Guard Lengths. While guard lengths may vary slightly between clipper brands, a length 1 guard will cut your hair to about 3 millimeters, or 1/8 of an inch. With each whole comb number, the length of your haircut will increase by 3 to 4 millimeters, depending on your clipper brand. A length 10 guard will cut your hair to between 30 and 32 millimeters, or about 1 1/4 inches. A clipper with no guard will remove your hair at the skin.