24-letter words containing t, o, a, f
- water of crystallization — water of hydration, formerly thought necessary to crystallization: now usually regarded as affecting crystallization only as it forms new molecular combinations.
- what are you waiting for — If you say to someone 'What are you waiting for?' you are telling them to hurry up and do something.
- which stands for nothing — (language) (WSFN) A beginner's language with emphasis on graphics produced by Atari in 1983 for Atari home computers. There is also Advanced WSFN.
- you can't be too careful — You can say 'You can't be too careful' as a way of advising someone to be careful, even when this seems unnecessary.