How can tartar and plaque be removed from teeth without grinding? is there any paste, etc. for it?
The girders of a suspension bridge form an arc. The definition of an arc is a curve or bowed shape, like a part of a circle. An example of an arc is a rainbow. To arc is defined as to make a curved shape or move in a curved path.
outing noun (JOURNEY) âº [ 1  C ] a short journey made by a group of people, usually for pleasure or education: âº [ 2  C or U ] an occasion when it is made public that a famous person is gay when he or she wanted to keep this information private: âº 3  a short trip, taken for pleasure or entertainment: