SAT (SATs plural) The SAT is an examination which is often taken by students who wish to enter a college or university. SAT is an abbreviation for `Scholastic Aptitude Test'. (AM) n-proper Sat. Sat. is a written abbreviation for Saturday. sat. Sat is the past tense and past participle of sit.
Secrete is defined as to hide, or to produce and release a liquid. 1  An example of secrete is to put the house key in a secret location. 2  An example of secrete is for the body to produce sweat.
Secretion. in biology, substance elaborated by the living material of an animal or plant. Secretions in humans can be produced by a single cell or by a group of cells commonly called a gland. Some secretions perform special functions in the body (true secretions); others are eliminated as waste products (excretions).lowing through the cytoplasm, the water picks up the accumulated secretion and releases it from the cell, either in the form of a solution that is diffused through the apical membrane or in the form of drops that are passed through membrane pores.