DOMINO n.
object in a line, by falling against the next object, causes it in turn to fall, and that second object causes a third to fall, etc.; the process can be repeated an indefinite number of times. Derived from an entertainment using dominoes arranged in a row, each standing on edge and therefore easily knocked over; when t…
DOOR n.
aken in the sense of the house or apartment to which it leads. Martin's office is now the second door in the street. Arbuthnot. Blank door, Blind door, etc. (Arch.) See under Blank, Blind, etc. -- In doors, or Within doors, within the house. -- Next door to, near to; bordering on. A riot unpunished is but next door t…
DUPLICATE a.
rtion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4.
EASTER n.
annual church festival commemorating Christ's resurrection, and occurring on Sunday, the second day after Good Friday. It corresponds to the pasha or passover of the Jews, and most nations still give it this name under the various forms of pascha, pasque, pâque, or pask.
EASTERN CHURCH n.
r clergy to marry before ordination and to keep their wives afterward, but not to marry a second time, selects its bishops from the monastic clergy only, recognizes the offices of bishop, priest, and deacon as the three necessary degrees of orders, venerates relics and icons, and has an elaborate ritual.…
ETHANE n.
gaseous hydrocarbon, C2H6, forming a constituent of ordinary illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol, aldehyde, ether, and acetic acid. Called also dimethyl.