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 happened when British soldier fired upon an angry crowd of Patriots. The Patriots were taunting the redcoats by saying Fire! while throwing snowballs at â¦ them. Once on of them fired, and after a silence, more shots were fired, killing 3 and wounding 8.