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:
Date: 14 November 2007
Author: Russ Weakley
Category: General, News
Tags:
I suppose that is where the name tetra packaging comes from too. How wonderful to see your vocabulary expanding!
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.
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