Nouns denoting natural proesses

cellular division
the process in reproduction and growth by which a cell divides to form daughter cells
a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
the process of flowing in
the onset of a corrosive or destructive process (as by a chemical agent)
constructive metabolism
the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
nitrogen fixation
the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
(meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
powder technique
a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays; the pattern of diffracted rings is used for identification
the process of becoming hard or solid by cooling or drying or crystallization
the evolution or genesis of the human race
(medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
the secretion of milk
the process of congealing; solidification by (or as if by) freezing
(technology) a process that acts to absorb or remove energy or a substance from a system
machine operation
an elementary operation that a computer is designed and built to perform
the withdrawal of heat to change something from a liquid to a solid
coming to full development; becoming mature
the erosive process of washing away soil or gravel by water (as from a roadway)
the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat
the process of giving off or exhaling water vapor through the skin or mucous membranes
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