In the fraction 7/12, 7 is called the numerator and 12 is called the denominator. Following are some more fractions: (i) The fraction 5/7 is read as âfive-seventhâ which means that 5 parts out of 7 equal parts in which the whole is divided. In the fraction 5/7, 5 is called the numerator and 7 is called the denominator. (ii) The fraction 3/10 is read as âthree-tenthâ which means that 3 parts out of 10 equal parts in which the whole is divided. In the fraction 3/10, 3 is called the numerator and 10 is called the denominator.
The definition of opaque is not capable of having light pass through or hard to understand. 1  An example of opaque is the quality of a black sheet of paper. 2  An example of opaque is the study of astrophysics.
If the light can not even penetrate the surface of the substance, then the substance is referred to as opaque. Many substances that are transparent can easily contain flaws and distortions that will limit a light beam's travels through a substance and make it translucent.