Columbia Encyclopedia
Search results
43 results found
mustard
(Encyclopedia)CE5 Black mustard, Brassica nigra mustard, common name for the Cruciferae, or Brassicaceae, a large family chiefly of herbs of north temperate regions. The easily distinguished flowers of the Cruc...mustard gas
(Encyclopedia)mustard gas, chemical compound used as a poison gas in World War I. The burning sensation it causes on contact with the skin is similar to that caused by oil from black mustard seeds. The compound is ...nitrogen mustard
(Encyclopedia)nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the form of its crys...charlock
(Encyclopedia)charlock: see mustard.horse-radish
(Encyclopedia)horse-radish, perennial herb (Armoracia rusticana, but sometimes classified in other genera) of the family Cruciferae (or Brassicaceae; mustard family), native to central and S Europe (where it has lo...winter cress
(Encyclopedia)winter cress or upland cress, species of Barbarea, herbs of the family Cruciferae (or Brassicaceae; mustard family). The pungent leaves of several species have been used for salads or garnishes, and t...candytuft
(Encyclopedia)candytuft, any plant of the genus Iberis of the family Cruciferae (or Brassicaceae; mustard family), low-growing plants of the Old World. A number of half-hardy annuals and evergreen perennials are cu...shepherd's-purse
(Encyclopedia)shepherd's-purse, annual herb (Capsella bursa-pastoris) of the family Cruciferae (or Brassicaceae; mustard family), indigenous to Europe but now a nearly cosmopolitan weed in temperate regions. It is ...lewisite
(Encyclopedia)lewisite lo͞oˈəsītˌ [key], liquid chemical compound used as a poison gas. Like mustard gas and nitrogen mustard, it is a blistering agent; when inhaled, it is a powerful respiratory irritant. The...kale
(Encyclopedia)kale, borecole bôrˈkōl [key], and collards, common names for nonheading, hardy types of cabbage (var. acephala and sometimes others), with thick stems and curly leaves, belonging to the family Cru...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
