Knowledge center. Chickenpox (Chicken Pox) , also known as Varicella, is a very contagious infection caused by the varicella zoster virus. In several parts of the world it is just known as varicella. Patients develop a blister-like rash, which first appears on the face and trunk, and then spreads throughout the body.
Etymology[edit] Latin. See mode. modus â(plural modi) (law, obsolete) The arrangement of, or mode of expressing, the terms of a contract or conveyance.
Noun. 1. modulus-an integer that can be divided without remainder into the difference between two other integers; 2 is a modulus of 5 and 9. integer, whole number-any of the natural numbers (positive or negative) or zero; an integer is a number that is not a fraction., pl-li (-ËlaÉª). 1. (General Physics) physics a coefficient expressing a specified property of a specified substance. See bulk modulus, modulus of rigidity, Young's modulus. 2. (Mathematics) maths the absolute value of a complex number.