Vocabulary : Yttrium to Yuen
Yttrium : A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89.
Yttro-cerite : A mineral of a violet-blue color, inclining to gray and white. It is a hydrous fluoride of cerium, yttrium, and calcium.
Yttro-columbite : Alt. of Yttro-tantalite
Yttro-tantalite : A tantalate of uranium, yttrium, and calcium, of a brown or black color.
Yu : Jade.
Yucca : See Flicker, n., 2. ;; A genus of American liliaceous, sometimes arborescent, plants having long, pointed, and often rigid, leaves at the top of a more or less woody stem, and bearing a large panicle of showy white blossoms.
Yucca borer : A California boring weevil (Yuccaborus frontalis). ;; A large mothlike butterfly (Megathymus yuccae) of the family Megatimidae, whose larva bores in yucca roots.
Yuck : To itch. ;; To scratch.
Yuckel : Same as Yockel.
Yuen : The crowned gibbon (Hylobates pileatus), native of Siam, Southern China, and the Island of Hainan. It is entirely arboreal in its habits, and has very long arms. the males are dark brown or blackish, with a caplike mass of long dark hair, and usually with a white band around the face. The females are yellowish white, with a dark spot on the breast and another on the crown. Called also wooyen, and wooyen ape.
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