If a cell is surrounded by hypertonic solution, then water will move OUT of the cell by osmosis because there is a higher concentration of water inside the cell compared to outside (where there is lots of dissolved salt, etc.) A cell in hypertonic solution will shrink.
Definition of simper for English Language Learners. : 1  to smile in a way that is not sincere or natural. : 2  to say (something) in a way that is not sincere or natural.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Simmer(verb) to boil gently, or with a gentle hissing; to begin to boil. 2  Simmer(verb) to cause to boil gently; to cook in liquid heated almost or just to the boiling point.