In one of the first applications of paleobiochemistry it has been found that hydrocarbon compounds in rocks 3 billion years old may be composed of fossilized chlorophyll (Franklin J. Tobey, Jr.).
Useful english dictionary. 2012.
chem|is|try — «KEHM uh stree», noun, plural tries. 1. the science that deals with the characteristics of simple substances (elements), the changes that take place when they combine to form other substances, and the laws of their behavior under various… … Useful english dictionary
i|at|ro|chem|is|try — «y AT roh KEHM uh stree», noun. 1. the application of chemistry to medicine and therapeutics. 2. a school of medicine in the 1500 s and the first half of the 1600 s that substituted remedies prepared by artificial chemical processes for the roots … Useful english dictionary
im|mu|no|chem|is|try — «ih MYOO noh KEHM uh stree», noun. the science dealing with chemical relationships of immunology. –im|mu´no|chem´ist, noun … Useful english dictionary
as|tro|chem|is|try — «AS troh KEHM uh stree», noun. the study of the chemical composition and characteristics of heavenly bodies … Useful english dictionary
bi|o|chem|is|try — «BY oh KEHM uh stree», noun. 1. the science that deals with the chemical processes of living animals and plants; biological chemistry. 2. biochemical composition or characteristics: »The virus has developed the capacity to change its biochemistry … Useful english dictionary
bi|o|ge|o|chem|is|try — «BY oh JEE oh KEHM uh stree», noun. the study of the effect of the earth s chemical composition upon living things … Useful english dictionary
cos|mo|chem|is|try — «KOZ muh KEHM uh stree», noun. the science dealing with the chemistry of heavenly bodies and of the universe as a whole … Useful english dictionary
cry|o|chem|is|try — «KRY oh KEHM uh stree», noun. the study of the effects of very low temperatures on chemical actions and processes … Useful english dictionary
cy|to|chem|is|try — «SY toh KEHM uh stree», noun. the science of the chemistry of cells … Useful english dictionary
e|lec|tro|chem|is|try — «ih LEHK troh KEHM uh stree», noun. the branch of chemistry that deals with chemical changes oduced by electricity, and the production of electricity by chemical changes … Useful english dictionary
