Difference between Unary and Single

Unary

Part of speech: noun

Definition: The unary numeral system; the bijective base-1 numeral system. Unary coding, an entropy encoding for natural numbers.

Part of speech: adjective

Definition: Consisting of or involving a single element or component. Of an operation, function, procedure or logic gate, taking exactly one operand, argument, parameter or input; having domain of dimension 1.

Single

Part of speech: noun

Definition: A 45rpm vinyl record with one song on side A and one on side B.A popular song released and sold (on any format) nominally on its own though usually has at least one extra track.One who is not married.A score of one run.A hit in baseball where the batter advances to first base.A bill valued at $1.A one-way ticket.

Part of speech: verb

Definition: To identify or select one member of a group from the others; generally used with out, either to single out or to single (something) out.To get a hit that advances the batter exactly one base.

Part of speech: adjective

Definition: Not accompanied by anything else.Not divided in parts.Designed for the use of only one.Designed for a single use; not reusable.Not married nor datingHaving only one rank or row of petals.

Example sentence: All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.