UNDULATORY a.
aves constituting sound, but transversely, and the various phenomena of refraction, polarization, interference, etc., are attributable to the different affections of these undulations in different circumstances of propagation. It is computed that the frequency of the undulations corresponding to the several colors of t…
VULCANIZE v.
To change the properties of, as caoutchouc, or India rubber, by the process of vulcanization. Vulcanized fiber, paper, paper pulp, or other fiber, chemically treated, as with metallic chlorides, so as to form a substance resembling ebonite in texture, hardness, etc. Knight. -- Vulcanized rubber, India rubber, vulcaniz…
WHITE a.
See Rhinoceros. (b) The umhofo. -- White ribbon, the distinctive badge of certain organizations for the promotion of temperance or of moral purity; as, the White-ribbon Army. -- White rope (Naut.), untarred hemp rope. -- White rot. (Bot.) (a) Either of several plants, as marsh pennywort and butterwort, which were t…
YOUNG MEN'S CHRISTIAN ASSOCIATION n.
An organization for promoting the spiritual, intellectual, social, and physical welfare of young men, founded, June 6, 1844, by George Williams (knighted therefor by Queen Victoria) in London. In 1851 it extended to the United States and Canada, and in 1855 representatives of similar organizations throughout Europe and…
YOUNG WOMEN'S CHRISTIAN ASSOCIATION n.
An organization for promoting the spiritual, intellectual, social, and economic welfare of young women, originating in 1855 with Lady Kinnaird's home for young women, and Miss Emma Robert's prayer union for young women,in England, which were combined in the year 1884 as a national association. Now nearly all the civili…