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.
Top definition. simpin. When a guy or girl are sprung on someone or something. Damn that girl I met last night's got me simpin. #sprung#stuck#infatuated#crush#obsessed#captivated#entranced#fascinated. by Dario Barrera aka hrtbrkkid2 April 18, 2007.