Word of the day: tetrad

The word Tetrad fundamentally refers to “a set or group of four”. However, the word is used in a variety of ways including:

Tetradic or ‘double complementary’ colour schemes use four colours arranged into two complementary colour pairs. Like this:

Tetradic colour wheel example

Date: 14 November 2007
Author: Russ Weakley
Category: General, News
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Comments so far

  1. Helen Morgan says:

    I suppose that is where the name tetra packaging comes from too. How wonderful to see your vocabulary expanding!

  2. I’ve not heard the term before, perhaps my musical knowledge just didn’t extend beyong the triad. I could suggest some other definitions for Tetrad though:

    1)Google Adsense in all four corners of a web page.
    2)Extreme Central Heating – a radiator with four panels.
    3)One up from 3D (no doubt a feature of the next iPhone)
    4)A small dart thrown backwards

    I’ll stop now before the groaning gets too loud.

  3. Russ says:

    I like number 4 – a great name for it – though the word doesn’t roll off the tounge – and I cannot imagine it being used by drunk men playing darts in pubs :)