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rainbow

Listen/ˈɹeɪnbəʊ/
Listen/ˈɹeɪmboʊ/

noun

Definition:

A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.

    Definition:

    Any prismatic refraction of light showing a spectrum of colours.

      Definition:

      (often used with “of”) A wide assortment; a varied multitude.

      a rainbow of possibilities

        Definition:

        An illusion, mirage.

        Many electoral promises are rainbows, vanishing soon after poll day.

          Definition:

          A curveball, particularly a slow one.

            Definition:

            In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits.

              Definition:

              Rainbow trout.

                verb

                Definition:

                To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.

                  Definition:

                  To take the appearance of a rainbow.

                    adjective

                    Definition:

                    Multicolored.

                      Definition:

                      Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.

                        Definition:

                        LGBT.

                          Definition:

                          (chiefly of a flop) Composed entirely of different suits.