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, known as the Incident on King Street by the British, was an riot on March 5, 1770, in which British Army soldiers shot and killed several people while under attack by a mob. The incident was heavily publicized by leading Patriots, such as Paul Revere and Samuel Adams, to encourage rebellion against the British authorities. British troops had been stationed in Boston, capital of the Province of Massachusetts Bay, since 1768 in order to protect and support crown-appointed colo