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n, pl res
a thing, matter, or object
n., pl. res.
Chiefly Law. an object or thing; matter.
[1850–55; < Latin]
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|Noun||1.||RES - a widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells|
system - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion"
immune system - a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response