shivering. involuntary shaking of the body, as with cold. It is caused by contraction or twitching of the muscles, and is a physiologic method of heat production in humans and other mammals. As a form of aerobic skeletal muscle activity, vigorous shivering uses about as much energy as riding a bicycle or shoveling snow.
Pittosporum ( / p Éª Ë t É s p Éµ r Ém / or / Ë p Éª t Éµ Ë s p ÉÉr Ém /) [1] is a genus of about 200 species of flowering plants in the family Pittosporaceae. The genus is probably Gondwanan in origin; its present range extends from Australasia, Oceania, eastern Asia and some parts of Africa.
paramecium noun [C]. âº biology a âtype of protozoan (= âorganism with only one âcell) that âlives in âwater and âswims by âmoving âstructures âsimilar to âhairs that are âattached to âits âbody. (Definition of paramecium from the Cambridge Academic Content Dictionary Â© Cambridge University Press). See all translations.