the plant family Cruciferae (or Brassicaceae), characterized by herbaceous plants having alternate leaves, acrid or pungent juice, clusters of four-petaled flowers, and fruit in the form of a two-parted capsule, and including broccoli, cabbage, candytuft, cauliflower, cress, mustard, radish, sweet alyssum, turnip, and wallflower.
noun 1. an oily liquid, C 4 H 8 Cl 2 S, used as a chemical-warfare gas, blistering the skin and damaging the lungs, often causing blindness and death: introduced by the Germans in World War I. noun 1. an oily liquid vesicant compound used in chemical warfare. Its vapour causes blindness and burns. Formula: […]
noun 1. oil expressed from the seed of mustard, used chiefly in making soap. noun 1. an oil that is obtained from mustard seeds and used in making soap
- Mustard operation
Mustard operation Mus·tard operation (mŭs’tərd) n. Correction of abnormal blood circulation due to the transposed great arteries by creating an intra-arterial baffle that partitionsis the atrium and directs the pulmonary venous blood through the right ventricular opening and the systemic venous blood through the mitral valve into the left ventricle.
noun 1. a black mixture of mustard and rubber placed on a cloth and applied to the skin as a counterirritant. noun 1. (med) a mixture of powdered black mustard seeds and an adhesive agent applied to the skin for its relaxing, stimulating, or counterirritant effects mustard plaster n. A medicinal plaster made with a […]