GLOSSARY 



Abnormal, not normal. Abnormal foods are those which are not well 



prepared, excessively spiced or sweetened, and things which are not 



necessary but may be an injury. Pies, some cakes, tea, and coffee 



are examples. 

 Al'ka loid, a substance having an alkaline or basic property, found 



in plants, usually combined with such acids as tannic, malic, or citric. 



Examples are caffine, theobromine, morphine, cocaine, quinine, etc. 



Some alkaloids are stimulants and some are narcotics. 

 Am mo'ni um hy drox'ide, a basic compound made by forcing ammonia 



gas into water. Household ammonia is an example. 

 Bac te'ri a (singular, bac te'ri um), one-celled plants so small that a 



good microscope is needed to see them. Most of them have to be 



stained before they can be seen individually. Some cause disease, 



some are harmless, and many kinds are useful. 

 Bear'ings of a machine, the fixed parts or shafts on which wheels turn. 



A wagon has sliding bearings, a bicycle has ball bearings, and many 



automobiles have roller bearings. Oil is placed on the bearings so 



that the wheels will turn without much friction or resistance. 

 Bordeaux' mixture (bor do'}, a mixture of copper sulfate, quicklime, 



and water. For plants with tender leaves, dissolve two pounds of 



copper sulfate in 45 gallons of water, slake two pounds of quicklime 



in 5 gallons of water; then mix the two solutions. 

 Cal'ci um, a pale yellow metal; a simple substance. It is found in 



nature combined with other elements* It is one of the component 



parts of lime, limestone, and marble. 

 Cap il lar'i ty or capillary attraction, the peculiar action by which the 



surface of a liquid, where it is in contact with a solid, is elevated or 



depressed. Water adheres to the sides of a small tube to such an 



extent that it is drawn up the tube. This is one of the forces which 



cause sap to flow up in a tree. 

 Car'a mel, partially burnt sugar. It can be made by heating sugar to 



200 C. for a few minutes. The brown color of bread crust is caused 



by the formation of caramel during baking. 

 Car'bon mon ox'ide, a gas formed when carbon gas is only one-half 



oxidized. It is very poisonous. 

 CC. or C. C., a cubic centimeter. 

 Con ser va'tion, a process of guarding, protecting, or saving force, 



energy, and resources. To prevent the waste of our forests, coal, 



and iron ore is conservation. 



