  # Glossary of ALL Terms for Data on EOL

### µ

µatm
http://eol.org/schema/terms/microatmosphere
0.000001 atmospheres. A unit of pressure
https://en.wikipedia.org/wiki/Atmosphere_(unit)
µg
http://purl.obolibrary.org/obo/UO_0000023
A mass unit which is equal to one millionth of a gram or 10^[-6] g.
µg/cm^2
http://eol.org/schema/terms/µg_cm-2
µm
http://purl.obolibrary.org/obo/UO_0000017
µm^(-1)
http://eol.org/schema/terms/perMicrometer
A reciprocal length unit which is equal to 10^[-6] meters^[-1]
µm^2
http://eol.org/schema/terms/squareMicrometer
An area unit which is equal to 10^[-12] square meters
µm^3
http://eol.org/schema/terms/cubicMicrometer
A volume unit which is equal to 10^[-15] liters
µmol /cell /day
http://eol.org/schema/terms/µmol_cell-1_day-1
µmol of a particular substance entering or leaving each cell per day, where 1 µmol is ~6.022 x 10<sup>17</sup> molecules
µmol/cell
http://eol.org/schema/terms/µmol_cell-1
µmol of a particular substance present in each cell of an organism, where 1 µmol is ~6.022 x 10<sup>17</sup> molecules
µmol/g
https://eol.org/schema/terms/micromolpergram
Micromoles per gram
µmol/l
http://purl.obolibrary.org/obo/NCIT_C48508
A unit of concentration (molarity unit) equal to one one-millionth of a mole (10E-6 mole) of solute per one liter of solution
µmol/l
http://purl.obolibrary.org/obo/UO_0000064
A unit of molarity which is equal to one millionth of a molar or 10^[-6] mol/L