Term | Definition |
2-butanone | A colorless, flammable ketone, CH3COCH2CH3, used in lacquers, paint removers, cements and adhesives, cleaning fluids, and celluloid. Also called methyl ethyl ketone. |
2-propanol | a postemergence herbicide, C 9 H 9 Cl 2 NO, used for weed control on potatoes, rice, and other crop plants. |
biotic index | A scale showing the quality of an environment by the types of organisms which inhabit it. |
calcareous ooze | A fine-grained pelagic sediment containing undissolved sand- or silt-sized calcareous skeletal remains of small marine organisms mixed with amorphous clay-sized material. |
colorimeter | a device that analyzes color by measuring a given color in terms of a standard color, a scale of colors, or certain primary colors. |
continental ice sheet crater | a vast expanse of ice which completely covers all underlying terrain. They form on land and spread outward in all directions. |
CaCo3 | calcium carbonate |
Ch3 | carbon trihydrate |
depth rate | |
ethyl acetate | a colorless, volatile, flammable liquid, C 4 H 8 O 2 , having a fragrant, fruitlike odor: used chiefly as a scent in the manufacture of perfumes, flavorings, and confections, and as a solvent for paints, varnishes, and lacquers. |
exclusion chromatography | a chromatographic method in which molecules in solution are separated based on their size |
gamma | a unit of weight equal to one microgram. |
montane | pertaining to, growing in, or inhabiting mountainous regions |
nomenclature | a set or system of names or terms, as those used in a particular science or art, by an individual or community, etc. |
peat | a highly organic material found in marshy or damp regions, composed of partially decayed vegetable matter: it is cut and dried for use as fuel. |
pinnate | having parts arranged on each side of a common axis |
polystyrene | a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in refrigerators and air conditioners. |
prophase | the first stage of mitosis or meiosis in eukaryotic cell division, during which the nuclear envelope breaks down and strands of chromatin form into chromosomes. |
rallies | to bring into order again |
retention time | the time it takes a solute to travel through the column |
semipermeable | permeable only to certain small molecules |
sluggishly | slow to act or respond |
sparking device | |
SO4 | sulfate |
tactic | an action or strategy carefully planned to achieve a specific end. |
tropopause | the interface between the troposphere and the stratosphere. |
troposphere | the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere. |
ultraviolet | beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units. |
uranium series | the radioactive series that starts with uranium 238 and ends with a stable isotope of lead of mass number 206. |
vapor plume | flue gases visible because they contain water droplets. |