television the measure of fine detail in an optical image in terms of cycles per millimetre
Science Terms That We All Pretend To KnowIn the spirit of scientific community and understanding, let's clear up some misconceptions around a few of the most misunderstood scientific terms. Let’s boldly go where no man has gone before.
Why Do “Left” And “Right” Mean Liberal And Conservative?During election seasons the words left and right denote political affiliation more than spatial direction. But where do these associations come from? The left hand has long been associated with deviance. The word “sinister” originally meant “to the left” in Latin. The word “left” comes from the Old English word lyft, which literally meant “weak, foolish.” To avoid the negative and superstitious associations of the …
- spatial summation,
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012