Declaring Python variables. There are two phases of creating a variable: 1  First, you need to initialize a variable by creating a container and assign it a name. 2  This is called initialization. 3  Second, you assign value to the the variable. 4  This is known as assignment.
Cylindricity-Cylindricity describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis. Symbol: . Cylindricity controls a cylindricals features element such that the total variations are minimized during manufacturing.
Full Definition of OPACITY. 1. a: obscurity of sense: unintelligibleness b: the quality or state of being mentally obtuse: dullness. 2. : the quality or state of a body that makes it impervious to the rays of light; broadly: the relative capacity of matter to obstruct the transmission of radiant energy.3. : an opaque spot in a normally transparent structure (as the lens of the eye). See opacity defined for English-language learners.ull Definition of OPACITY. 1. a: obscurity of sense: unintelligibleness b: the quality or state of being mentally obtuse: dullness. 2. : the quality or state of a body that makes it impervious to the rays of light; broadly: the relative capacity of matter to obstruct the transmission of radiant energy.