(colloquial, LGBT, sometimes derogatory) A masculine or butch lesbian. (See usage notes about dyke (“lesbian”).)

(physics) A proposed extension to Newtonian dynamics that would obviate the need to assume the presence of dark matter.

To tie strings around (fabric or clothing) and then dye it, in such a manner that the tied parts do not get colored.

A shirt that has been tie-dyed.

present participle of tie-dye

The process of making tie-dyed material

(algebra) An operation taking two operands.

dynamic

(Internet) A web site that displays information that changes using server-side code, generally with information retrieved from a database.

Any of various materials used to dye hair on the head.