23-letter words containing p, e, o, l, s, d
- sustainable development — supporting economy via renewable resources
- talk/speak of the devil — People say speak of the devil, or in British English talk of the devil, if someone they have just been talking about appears unexpectedly.
- to call a spade a spade — If you say that someone calls a spade a spade, you mean that they speak clearly and directly about things, even embarrassing or unpleasant things.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere