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.
1770 Boston Massacre - part 2 A mob of civilians surrounded the British soldiers in protest and in the confusion the soldiers fired their guns into the crowd and 5 Boston civilians died After the Boston Massacre, Townshend Acts were repealed( ended ) expect for the tax on tea