21-letter words containing r, a, v, e, h
- record of achievement — a statement of the personal and educational development of each pupil
- reverberation chamber — a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting
- reverse polish syntax — postfix notation
- satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
- short message service — (messaging) (SMS) A message service offered by the GSM digital mobile telephone system. Using SMS, a short alphanumeric message (160 alphanumeric characters) can be sent to a mobile phone to be displayed there, much like in an alphanumeric pager system. The message is buffered by the GSM network until the phone becomes active.
- sieve of eratosthenes — a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
- sovereign wealth fund — an investment fund created using the financial assets of a national government
- sympathetic vibration — a vibration induced by resonance.
- the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
- the central provinces — the Canadian provinces of Ontario and Quebec
- the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
- the lower vertebrates — relatively simple and primitive vertebrates
- the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
- threatening behaviour — intimidation or intentional behaviour that causes another person to fear injury or harm
- throw sb a curve ball — If someone throws you a curve or throws you a curve ball, they surprise you by doing something that you do not expect.
- throw someone a curve — a continuously bending line, without angles.
- to have green fingers — If someone has green fingers, they are very good at gardening and their plants grow well.
- to have money to burn — If you say that someone has money to burn, you mean that they have more money than they need or that they spend their money on things that you think are unnecessary.
- vertically challenged — short in stature.
- veterinary technician — a veterinarian’s assistant, trained to provide medical care for animals, as performing diagnostic tests or administering vaccines and medication.
- yellow-throated vireo — an olive-green vireo, Vireo flavifrons, of eastern North America, having a bright yellow throat and breast.