Is orthogonal nonsensical?
Even with ruler and compasses I couldn’t make sense of a remark I found on Twitter or X, as we all pleonastically call it. Someone had posted this observation: ‘One’s bank balance and number of children are orthogonal to social media usage.’ I knew the prefix ortho– meant ‘straight, perpendicular, right’. So orthogonal meant ‘right-angled’. But how could children be at right angles to social media usage? I hadn’t cottoned on to the fashion for using orthogonal figuratively to mean ‘unrelated’, ‘irrelevant’. That is quite a stretch, for things at right angles are not unrelated. But there is no stopping orthogonal now, though the term seems unhelpful. It’s not even
