BLACKMAIL n.
Black rent, or rent paid in corn, flesh, or the lowest coin, a opposed to "white rent", which paid in silver. To levy blackmail, to extort money by threats, as of injury to one's reputation.
BOILING a.
at which a fluid is converted into vapor, with the phenomena of ebullition. This is different for different liquids, and for the same liquid under different pressures. For water, at the level of the sea, barometer 30 in., it is 212 º Fahrenheit; for alcohol, 172.96º; for ether, 94.8º; for mercury, about 675º. The boil…