18-letter words containing y, e, a, r, b, o
- probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
- pulmonary embolism — the blockage of a pulmonary artery, often by a blood clot, that stops the flow of blood to the lungs and which can result in death if untreated
- range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
- reversionary bonus — a bonus added to the sum payable on death or at the maturity of a with-profits assurance policy
- rheims-douay bible — Douay Bible.
- ride a hobby horse — an activity or interest pursued for pleasure or relaxation and not as a main occupation: Her hobbies include stamp-collecting and woodcarving.
- rosebay willowherb — a perennial onagraceous plant, Chamerion (formerly Epilobium) angustifolium, that has spikes of deep pink flowers and is widespread in open places throughout N temperate regions
- september holidays — a period of time in September when people do not have to go to school, college or work
- stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
- stationary bicycle — an exercise bike
- to put years on sb — if you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- yerkes observatory — an astronomical observatory located in Williams Bay, Wisconsin, affiliated with the University of Chicago, and having a 40-inch (102-cm) refracting telescope, the largest refractor in the world.