...Notwithstanding the remarkable power of contraction and dilatation in theanimals themselves, the tentacles are but slightly contractile... 
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...This membrane possesses a certain degree ofporosity, which is probably increased by dilatation...
A. Mueller 「On Snake-Poison: its Action and its Antidote」
...Thetable for expansion of mercury and mean dilatation of glass, sent me bymy friend Captain P...
Thomas Mitchell 「Journal of an Expedition into the Interior of Tropical Australia」
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