osmosis
Definition of abbreviation (noun) -
process where solvent molecules, e.g. water, pass through a selectively permeable membrane from a region of high concentration to a region of low concentrationPart of speech:
NounPlural: no plural
Example sentences with this word:
Osmosis is a special form of diffusion.
Reverse osmosis units for freshwater fish are all very well, but many fish keepers who use them are forced to mix the water obtained with raw tap water before adding it to the tank, simply because they cannot afford the expense of a separate carbon filter.
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