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 took place in front of the balcony, and the site is now marked by a cobblestone circle in the square (photo 2009) Massacre Site Boston, the capital of the Province of Massachusetts Bay and an important shipping town, was a major center of resistance to unpopular acts of taxation by the British Parliament in the 1760s.