20-letter words containing a, n, c, h, o
- tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
- too much information — I don't want to hear any more
- transposition cipher — a cipher that rearranges the letters of the plain text in a different sequence.
- watch someone's back — the rear part of the human body, extending from the neck to the lower end of the spine.
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- wilson cloud chamber — cloud chamber.
- with a pinch of salt — without wholly believing; sceptically
- your marching orders — If you give someone their marching orders, you tell them that you no longer want or need them, for example as your employee or as your lover.