British Columbia is known for its majestic mountains and as Canadaâs Pacific gateway. The Port of Vancouver, Canadaâs largest and busiest, handles billions of dollars in goods traded around the world. Warm airstreams from the Pacific Ocean give the B.C. coast a temperate climate.
(countable and uncountable, plural rigidities) 1  The quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form.  Stiffness of appearance or manner; want of ease or elegance.
from Wikipedia, the free encyclopedia. Viscosity is a measure of the resistance of a fluid to deformation under shear stress. It is commonly perceived as thickness, or resistance to pouring. Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is thin, having a low viscosity, while vegetable oil is thick having a high viscosity.