febrifuge 
 noun
 An antipyretic (feverreducing) medication.
  flowers of sulfur 
 noun  (chemistry) yellow flakes of elemental sulfur, either as mined from a fumarole etc, or obtained by distillation
 formula 
 noun (plural formulae in scientific use, formulas in informal use)
 (mathematics) Any mathematical rule expressed symbolically.
 <math>x = \frac {b \pm \sqrt{b^2  4ac}}{2a}</math> is the formula for finding the roots of the quadratic equation y = ax^{2} + bx + c.
 (chemistry) A symbolic expression of the structure of a compound.
 H_{2}O is the formula for water (Dihydrogen monoxide)
 A plan of action intended to solve a problem.
 A formulation; a prescription; a mixture or solution made in a prescribed manner; the identity and quanties of ingredients of such a mixture.
 The formula of the rocket fuel has not been revealed.

