Freebase(0.00 / 0 votes)Rate this definition: Displacement. In fluid mechanics, displacement occurs when an object is immersed in a fluid, pushing it out of the way and taking its place. The volume of the fluid displaced can then be measured, and from this the volume of the immersed object can be deduced.
The ideal height for an English Cocker Spaniel dog is between 39 cm and 41 cm; (15-16) and for the bitch, it should be between 38 cm and 39 cm (15-15.5) tall.
Cockatiels reach adult size at about 8 weeks of age. Males are typically 12-13 inches long (30-33cm) and weigh 2 5/8 to 3 2/3 ounces (80 - 102 grams) Females are the same in lenght but typically weigh a little less than males. They are native to Austrailia and in captivity live about 20 years.