HYGROSCOPICITY
Hy`gro*sco*pic"i*ty, n. (Bot.)
Defn: The property possessed by vegetable tissues of absorbing or discharging moisture according to circumstances.
HYGROSTATICS
Hy`gro*stat"ics, n. Etym: [Gr. Statics.]
Defn: The science or art of comparing or measuring degrees of moisture. Evelyn.
HYKE
Hyke, n.
Defn: See Haik, and Huke.
HYKSOS Hyk"sos, n. [Gr. , fr. Egypt. hikshasu chiefs of the Bedouins, shepherds.]
Defn: A dynasty of Egyptian kings, often called the Shepherd kings, of foreign origin, who, according to the narrative of Manetho, ruled for about 500 years, forming the XVth and XVIth dynasties. It is now considered that the XVIth is merely a double of the XVth dynasty, and that the total period of the six Hyksos kings was little more than 100 years. It is supposed that they were Asiatic Semites.
HYLAEOSAUR; HYLAEOSAURUS
Hy"læ*o*saur`, Hy`læ*o*sau"rus, n. Etym: [NL. hylaeosaurus, fr. Gr.
(Paleon.)
Defn: A large Wealden dinosaur from the Tilgate Forest, England. It was about twenty feet long, protected by bony plates in the skin, and armed with spines.