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.
Boston Massacre-the First Battle of the Revolutionary War. The Boston Massacre is considered by many historians to be the first battle of the Revolutionary War. The fatal incident happened on March 5 of 1770. The massacre resulted in the death of five colonists.