n. [ G. kronland. ] In Austria-Hungary, one of the provinces, or largest administrative divisions of the monarchy; as, the crownland of Lower Austria. [ Webster 1913 Suppl. ]

a. Pertaining to Dr. Robert Brown, who first demonstrated (about 1827) the commonness of the motion described below. [ 1913 Webster ]

Brownian motion,
Brownian movement, the peculiar, rapid, vibratory movement exhibited by the microscopic particles of substances when suspended in water or other fluids. [ 1913 Webster ]