The backbone of the CIDR is a nylon spine covered by a progesterone (1.38 g) impregnated silicone skin. During the seven days in the vagina the CIDR releases a relatively constant dosage of progesterone. Upon removal of the insert, progesterone is quickly eliminated.
variant. an organism or tissue that is different from the majority of the population but is still sufficiently similar to the common mode to be considered to be one of them, e.g. a variant strain of classical swine fever (hog cholera) virus. 1  Facebook.
A variable declared as type Variant can contain any type of data. This is unlike a variable that is declared as a specific type, say, String or Integer, which can only contain a text string or a specific range of integers, respectively. By contrast, a variant can contain any data  text, Boolean, an integer, or a real, i.e., a floating point, ...