Autoimmunity. The immune system is a complex set of organs, cells, proteins and other substances that function to prevent infection. Primary immunodeficiency diseases are characterized by abnormalities in specific components of the immune system that lead to an increased susceptibility to infection.
How to Measure Ounces. Ounces are a measurement of mass or weight, and as such, you should use a scale when measuring ounces for a recipe, experiment, or similar procedure. In contrast, fluid ounces are a measurement of volume, so they are measured in a different manner. Note that there are also ways to estimate mass in ounces if precision is not necessary, and if required, you can easily convert a few other units of measurement into ounces.
Definition of OUNCE. 1. a: a unit of weight equal to 1â12 troy pound â see weight table b: a unit of weight equal to 1â16 avoirdupois pound.2. : fluid ounce. ADVERTISEMENT.efinition of OUNCE for Kids. 1. : a unit of weight equal to 1â16 pound (about 28 grams). 2. : a unit of liquid capacity equal to 1â16 pint (about 30 milliliters).