3rd Baron Rayleigh
/ˈreɪli
/ (1842–1919), English physicist; born John William Strutt. He established the electrical units of resistance, current, and electromotive force. With William Ramsay he discovered argon and other inert gases. Nobel Prize for Physics (1904).
- not know someone from a bar of soap
- not know someone from Adam
- not know that
- not know the first thing about
- not know the meaning of the word
- not know what hit one
- not know what to do with oneself
- not know where (or which way) to look
- not know where to put oneself
- not know which way (or where) to turn
- not least
- not let the grass grow under one's feet
- not-life
- not likely!
- not like the look (or sound) of
- not-living
- not long ago
- not-me
- not mince words (or one's words)
- not miss a trick
- not move a muscle
- not much chop
- not much cop
- not much in it
- not much (or a lot of) fun