23-letter words containing a, c, o, u, p, l
- to pluck up the courage — If you pluck up the courage to do something that you feel nervous about, you make an effort to be brave enough to do it.
- topological equivalence — the property of two topological spaces such that there is a homeomorphism from one to the other.
- turn-and-slip indicator — bank-and-turn indicator.
- 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
- weak accumulation point — accumulation point.