Freebase(0.00 / 0 votes)Rate this definition: Hydraulic conductivity. Hydraulic conductivity, symbolically represented as, is a property of vascular plants, soil or rock, that describes the ease with which a fluid can move through pore spaces or fractures.
Crispus Attucks was an African-American man killed during the Boston Massacre, making him the first casualty of the American Revolution.
The Boston Massacre Trials: An Account. by Doug Linder (c) 2001. Sketch of Boston Massacre Trial. Although it has been over two centuries since the moonlit March night in 1770 when British soldiers killed five Bostonians on King Street, people still debate responsibility for the Boston Massacre.