consisting of two (units or components or elements or terms) or based on two; "a binary star is a system in which two stars revolve around each other"; "a binary compound"; "the binary number system has two as its base"
of or pertaining to a number system have 2 as its base; "a binary digit"
type genus of the family Veneridae: genus of edible clams with thick oval shells
the second nearest planet to the sun; visible from Earth as an early `morning star' or an `evening star'; "before it was known that they were the same object the evening star was called Venus and the morning star was called Lucifer"
a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural); "ancient Greek had the dual form but it has merged with the plural form in modern Greek"
highly educated; having extensive information or understanding; "an enlightened public"; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade
marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; "she was a deceitful scheming little thing"- Israel Zangwill; "a double-dealing double agent"; "a double-faced infernal traitor and schemer"- W.M.Thackeray
equally skillful with each hand; "an ambidextrous surgeon"