While tooth decay is often the primary cause of a toothache, it's important for you to have a complete oral examination to determine the cause. Other causes of a toothache can include the following: 1  Infection. 2  Gum disease. 3  Grinding teeth (bruxism). 4  Tooth trauma. 5  An abnormal bite.
Thus the formal definition of corresponding sides can be stated as follows: In two or more different plane figures, the sides that are in the same position but in different plane figures are called corresponding sides.
Rhomboid. Traditionally, in two-dimensional geometry, a rhomboid is a parallelogram in which adjacent sides are of unequal lengths and angles are oblique. A parallelogram with sides of equal length is a rhombus but not a rhomboid.A parallelogram with right angled corners is a rectangle but not a rhomboid.rinceton's WordNet (0.00 / 0 votes) Rate this definition: rhomboid (noun). a parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal. rhomboid, rhomboid muscle (adj).