dapsone antibacterial drug used to treat leprosy and some kinds of skin diseases
dobson large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait
diapason either of the two main stops on a pipe organ
dubious fraught with uncertainty or doubt
drop zone an agreed area where military supplies are dropped to ground troops
Thompson English physicist who studied heat and friction
stepson the son your spouse by a former marriage
treason a crime that undermines the offender's government
poison any substance that causes injury or illness or death
Dapsang a mountain peak in the Karakoram Range in northern Kashmir
topsoil the layer of soil on the surface
twopenny of trifling worth
Thomson United States composer who collaborated with Gertrude Stein
damson dark purple plum of the damson tree
Tucson a city in southeastern Arizona ringed by mountain ranges
monopsony an economic market with several sellers but only one buyer
debasing used of conduct; characterized by dishonor
boson any particle that obeys Bose-Einstein statistics
dipsomania an intense persistent desire to drink alcoholic beverages to excess
opsin retinal protein formed by the action of light on rhodopsin