18-letter words containing d, a, r, v, o, n
- standard deviation — a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
- standard of living — a grade or level of subsistence and comfort in everyday life enjoyed by a community, class, or individual: The well-educated generally have a high standard of living.
- tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
- to be above ground — to be alive
- vermiform appendix — a narrow, blind tube protruding from the cecum, having no known useful function, in humans being 3 to 4 inches (8 to 10 cm) long and situated in the lower right-hand part of the abdomen.
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit