18-letter words containing p, a, r, s, o, l
- temporal summation — the act or process of summing.
- the lords temporal — (in Britain) peers other than bishops in their capacity as members of the House of Lords
- thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
- to all appearances — apparently
- to learn the ropes — If you are learning the ropes, you are learning how a particular task or job is done.
- to play favourites — to display favouritism
- to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- wild passionflower — the maypop, Passiflora incarnata.
- wilson's phalarope — a phalarope, Phalaropus tricolor, that breeds in the prairie regions of North America and winters in Argentina and Chile.
- withdrawal symptom — effects of stopping a drug
- world championship — an international competition in a particular sport or activity for people all around the world