18-letter words containing s, l, u, r, p
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- sodium-vapour lamp — a type of electric lamp consisting of a glass tube containing neon and sodium vapour at low pressure through which an electric current is passed to give an orange light. They are used in street lighting
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- speak for yourself — If you say 'Speak for yourself' when someone has said something, you mean that what they have said is only their opinion or applies only to them.
- special prosecutor — (formerly) an independent counsel.
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- subatomic particle — physics:
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- super middleweight — a boxer weighing up to 168 pounds (75.6 kg), between middleweight and light heavyweight.
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- super royal quarto — a book size, 101⁄4 by 131⁄2 inches
- superciliary ridge — browridge.
- supraorbital ridge — browridge.
- surgical appliance — a specialized device used by somebody to relieve a particular medical condition
- temporal summation — the act or process of summing.
- thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
- to play favourites — to display favouritism
- to spill your guts — if someone spills their guts, they tell you everything about something secret or private
- two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- upper middle class — wealthy, highly-educated people
- venture capitalist — funds invested or available for investment in a new or unproven business enterprise.