(electrical engineering) a carbon electrode containing metallic salts that colour the arc in a flame-arc light
noun, Zoology. 1. one of the hollow cells terminating the branches of the excretory tubules of certain invertebrates, having a tuft of continuously moving cilia. noun 1. an organ of excretion in flatworms: a hollow cup-shaped cell containing a bunch of cilia, whose movement draws in waste products and wafts them to the outside through […]
noun 1. bright reddish-orange.
noun, Agriculture. 1. an implement that kills weeds by scorching them with a directed flow of flaming gas.
- Flame cutting
noun 1. (engineering) a method of cutting ferrous metals in which the metal is heated by a torch to about 800°C and is oxidized by a stream of oxygen from the torch