15-letter words containing t, o, s, i, c
- winter solstice — the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere.
- witch of agnesi — a plane curve symmetrical about the y- axis and asymptotic to the x- axis, given by the equation x 2 y =4 a 2 (2 a − y).
- with respect to — as regards
- wonder-stricken — struck or affected with wonder.
- worcester china — porcelain articles made in Worcester (England) from 1751 in a factory that became, in 1862, the Royal Worcester Porcelain Company
- yeast infection — candida: genital inflammation