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by reason of because of.
by rights according to principles of fairness and justice.
by-road a secondary road; side road.
Byronic of, concerning, or resembling Byron or his works, esp. by being melodramatic, passionate, melancholy, or ironic.
bystander someone who is present at an occurrence only by chance or does not take part in it.
byte in computers, a basic unit of operation, usu. equal to eight binary digits or bits.
by the book according to the rules; in the proper form or manner.
by the bye incidentally; by the way.
by the same token for the same, or a similar, reason.
by the seat of one's pants by experience and intuition, not by plans or instruments.
by the skin of one's teeth (informal) by an exceptionally thin margin; with little to spare.
by the way used to add something into a conversation that is on a different subject.
by virtue of because of.
by water by way of a boat or ship.
byway a little-known or private road. [2 definitions]
by way of by going through or along; via. [2 definitions]
byword a common or proverbial phrase or saying. [2 definitions]
Byzantine of or pertaining to Byzantium, the empire once centered there, or its culture, artifacts, institutions, or the like. [3 definitions]
Byzantine Empire one of two divisions of the Roman Empire that flourished from the fourth century until 1453 in the southern part of the Balkan Peninsula and the western part of Asia Minor; Eastern Roman Empire.
Byzantium an ancient city on the site of modern Istanbul that, under the name Constantinople, was the capital of the Byzantine Empire.
C1 abbreviation of "Celsius," or "Centigrade," of, pertaining to, or designating a temperature scale on which zero degrees is the freezing point and one hundred degrees is the boiling point of water.