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:
- 2 km x 2 km square area
- set of four musical notes
- set of four vector fields (general relativity frame fields)
- complementary pair of colors (referred to as double complementary)
Tetradic or ‘double complementary’ colour schemes use four colours arranged into two complementary colour pairs. Like this:
November 14th, 2007
10:40 am
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I suppose that is where the name tetra packaging comes from too. How wonderful to see your vocabulary expanding!
November 20th, 2007
10:20 pm
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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.
November 21st, 2007
7:18 am
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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