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.
a unit of spatial measurement that equals one billionth 10 9 of a meter the head of a pin is about 1 million nanometers across a human hair is about 60000 nanometers in diameter while a dna molecule is between 2 12 nanometers widene billionth of a meter approximately the length of three to six atoms placed side by side or the width of a single strand of dna the thickness of a human hair is between 50000 and 100000 nanometers source a unit of measurement equal to one billionth of one meter