19-letter words containing m, i, s, e, y
- system requirements — specifications needed to run a program
- systems engineering — an engineer who specializes in the implementation of production systems.
- tetramethyldiarsine — an oily slightly water-soluble poisonous liquid with garlic-like odour. Its derivatives are used as accelerators for rubber
- the eroica symphony — Symphony No. 3 in E flat major by Ludwig van Beethoven
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- wade-giles (system) — a system for transliterating Chinese ideograms into the Latin alphabet, in wide use esp. before Pinyin was adopted by the People's Republic of China in 1979
- wassermann antibody — reagin (def 1).
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- wesleyan methodists — a branch of the Methodist Church in its original form
- withdrawal syndrome — a spectrum of physical and behavioral symptoms following cessation from the continuous use of an addictive drug, the character and severity of the symptoms depending upon the particular drug and the daily dose.