(sciences) A measure of the density of a material. The ratio of the density of a substance to the density of water at the same temperature. It is dimensionless and therefore has no units.

A dental regimen using spa treatments, intended to aid the comfort of the patient

A disease of the teeth resulting in damage to tooth structure.

A hard crust of calcium salts and food particles on the teeth, developing from plaque.

An acute febrile and sometimes hemorrhagic disease endemic to the tropics, caused by varieties of the species Dengue virus, and primarily transmitted to humans from mosquitoes, though human-to-human transmission is also well documented.

Having teeth or toothlike projections; serrated, toothed.

(mathematics) The smallest positive integer which is a multiple of every denominator of several fractions.

Alternative spelling of nondenominational

A device that measures the optical density of a material. / A device that measures the specific gravity of a substance; a densimeter.

(probability theory) Any function whose integral over a set gives the probability that a random variable has a value in that set