189 



XING 



corresponding to the keel, within the ship : 



serving to keep the ends of the floor-timbers 



down to the keel. 

 Keeper= Armature : a piece of soft iron used 



to connect the two poles of a magnet, when 



not in use; and so to prevent the dissipation 



of its magnetic force. 

 Kelloway rock, (kel'5-wa). [K. in Wiltshire.] 



A bed of arenaceous limestone, belonging to 



Middle Oolite, v. Oolite. 

 Kelp, (kelp). [Kilpe, the old English word.] 



Ashes from sea-weeds, &c., which are burnt 



to obtain the contained iodine. 

 Kent's cavern, near Torquay, in Devonshire, 



in which many fossil remains of mammalia 



have been found. 

 Kepler's Laws. 1. The orbit of each planet 



is an ellipse, having the sun at one of its 



foci. 2. The radius vector of a planet de- 

 scribes equal areas in equal times. 3. The 



square of the time of revolution and the 



cube of the mean distance have the same 



ratio for every planet. 

 Kerargyrite, (ker-aVji-rlt). [Gk. keras, horn; 



argyron, silver.]=Horn-silver: a variety of 



Kerate, q.v. 

 Kerate, (ker'at). [Gk. keras, horn.] A 



mineral, chiefly chloride of silver: one of the 



silver group of minerals. 

 Keratin , (ker'a-tin). [Gk. leer as, horn. ] = Horn : 



substance of horns, nails, feathers, hair, &c. 

 Keratode, (ker'a-tod). [Gk. keras, horn ; eidos, 



form.] A horn-like substance, forming the 



skeleton of horny sponges. 

 Keratophora, (ker-a-tof'o-ra). [Gk. keras, 



horn; phoreo, I bear.] Aristotle's term for 



Ruminant animals. 

 Keratophyta, (ker-a-tof'i-ta). [Gk. Iceras, horn; 



phyton, stem.]=Horny polyps: a sub-division 



of Anthozoa. 

 Keratosa, (ker-a-to'sa). [Gk. Iceras, horn.] 



Horny sponges: a sub-division of sponges, in 



which there is a skeleton of horny fibres. 

 Kermes-grains, (ker'mez). [The Arabic name.] 



The dried bodies of Coccus ilicis, from which 



a red dye is obtained. 

 Kermesite, (ker'me-sit). [Kermes, g.v.]=Red- 



antimony: an ore of antimony, chiefly the 



sulphide, named from its red colour. 

 Kerosene, (ker'o-sen). [Gk. keros, wax.] A 



liquid hydrocarbon: an American earth-oil, 



used for lighting. 

 Kestrel, (kes'trel). [Cresserelle, the French 



name.]=Tinnunculus alaudarius^Falco tin: 



a bird belonging to Falconidae. 

 Ketones, (ke'tonz). [Acetone, q.v.] Acetones. 

 Kette=Deka-metre, q.v. 

 Keuper, (ku'per). [G. kupfer, copper.] =Upper 



Trias: beds of great thickness in England; 



also called New Red Sandstone. 

 Key, (ke). [Cceg, the 



A.-S. word.] LA; 



wedge. 2. A small 



lever. 3.=Scale,g.v. 



K. note: the chief 



note of musical com- 

 position. K. stone: 



the chief, central 



ptone of an arch. Key-stone. 



Keys, (kez). [Key, q.v.]= Scales, q.v. : natural 

 successions of musical sounds. K. of A= 

 .Eolian K. K. of =Hypophrygian K. K. 



of C^Ionian K. K. of J)=Dorian K. K. 



of #=Phrygian K. K. of .FsLvdian K. 



K. o/r=Mixolydian K. 

 Khamsin, (kam'sin). [Arab, khamsin, fifty.] 



Simoom: a hot, dry wind of Africa and 



West Asia; named from usually lasting about 



50 days. 

 Khonds, (kondz). An Asiatic people: living 



in Orissa. 

 Kidney, (kid'ni). Two glands, consisting of 



many tubes, which remove water and urea 



from the blood, forming a portion of the 



excretory system. K. iron-ore', abotryoidal 



form of red haematite. K. vetch=A.nthyttis. 



K. 6eo'rt=Phaseolus vulgaris. 

 Killas, (kil'las). [The Cornish word.] 1.= 



Clay slate: a schistose rock. 2. The Cornish 



name for all sedimentary, cleavable rocks. 

 Kilo, (kil'6). [Gk. chilioi, one thousand.] A 



prefix implying one thousand. 

 Kilogram, (kil'6-gram). [Kilo and Gramme, 



5.v.]=Kilogramme=2'2 lbs.=1000 grammes 



= weight of one litre of water at its greatest 



density; a unit of weight in the Metric 



system. 

 Kilolitre, (kil-6-le'tr). [Kilo and Litre, q.v.] 



=1000 litres=264 gallons. 

 Kilometre, (kil-o-me'tr). [Kilo and Metre, 



g.v.]=1000 metres= 39370 79 inches: about 



.| of a mile. 

 Kimmeridge clay. A bituminous bed of shale 



in Upper Oolite, containing many marine 



fossils but few plants. 

 Kinates=Quinates, q.v. 

 Kinematics, (kin-e-mat'iks). [Gk. kinema, 



motion.] The geometrical science of motion 



in the abstract, considered purely as motion, 



without reference to its cause. 

 Kinetic, (kin-et'ik). [Kinetikos, the Greek 



word.] Relating to motion. K. enenjy=. 



Energy of motion=Vis viva. K. stability: 



continuance in a given path. K. unit=. 



Absolute unit; v. Unit. 

 Kinetics, (kin-et'iks). [Kinetic, g.v.]=Kine- 



matics. Hydro-k.: the science of motion in a 



fluid medium. 

 King. K. Charles's oafc=Robur Caroli, q.v. 



K. cra6=Limulus. K. crow^Dicrourus: a 



pugnacious, glossy black bird. K. fish= 



Lampris guttatus. K. Jisher=Alcedo, q.v. '. 



Kingfisher. a. King-post 



a perching bird. K. post = The upright 

 centre beam of a compound girder. K. 

 vi*Kwre=Yultur papa. 



