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.
Anonymous Account of the Boston Massacre. THE HORRID MASSACRE IN BOSTON, PERPETRATED IN THE EVENING OF THE FIFTH DAY OF MARCH, 1770, BY SOLDIERS OF THE TWENTY-NINTH REGIMENT WHICH WITH THE FOURTEENTH REGIMENT WERE THEN QUARTERED THERE; WITH SOME OBSERVATIONS ON THE STATE OF THINGS PRIOR TO THAT CATASTROPHE.