A marked change in the colour of an object with a change in the spectral composition of the light by which it is viewed.
NOTE:
Metamerism can be judged only with reference to the changes occurring...
A fabric coated with vulcanised rubber which is wrapped around the bead section of a tyre before vulcanisation of the complete tyre. Its purpose is to maintain an abrasion-resistant layer of rubber...
A presidential sash is a cloth sash worn by the presidents of many nations in the world, notably those in South America.
The sash is an important symbol of the continuity of the presidency, and is...
A modification of a plain weave in which two or more warp yarns weave together as one and two or more weft yarns weave together as one.
NOTE:
The basic hopsack weaves may be modified in a number of...
A robe is a loose-fitting outer garment of various types, including:
A gown worn as part of the academic dress of faculty or students, especially for ceremonial occasions, such as a convocations or...