19-letter words containing y, a, r, m, o
- 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.
- wassermann antibody — reagin (def 1).
- withdrawal symptoms — When someone has withdrawal symptoms, they feel ill after they have stopped taking a drug which they were addicted to.
- 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.
- wouldn't harm a fly — If you say that someone wouldn't hurt a fly or wouldn't harm a fly, you are emphasizing that they are very kind and gentle.
- yeoman of the guard — a member of the bodyguard of the English sovereign, instituted in 1485, which now consists of 100 men, including officers, having purely ceremonial duties.