18-letter words containing t, o, p, r
- real-time computer — a computer that can process data or information almost immediately
- recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- recovery operation — the process of locating and retrieving bodies, esp following an explosion or natural disaster
- red-spotted purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
- redevelopment area — an urban area in which all or most of the buildings are demolished and rebuilt
- reentering polygon — a polygon having one or more reentering angles.
- registered company — a company which has officially registered its business
- registration plate — a plate mounted on the front and back of a motor vehicle bearing the registration number
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- repayment mortgage — a mortgage that you pay back in monthly repayments which consist of the accrued interest in addition to the original amount borrowed
- repeat performance — sth done again
- report an accident — If you report an accident, you inform an insurer or the police or other authorities that an accident has occurred.
- reporters' gallery — an area in parliament reserved for journalists and reporters
- reprocessing plant — a plant where materials are treated in order to make them reusable
- reproduction proof — repro proof.
- respiratory arrest — cessation of breathing
- respiratory system — the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the system includes the nasal passages, pharynx, trachea, bronchi, and lungs.
- resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
- retirement pension — income: no longer at work
- ribbon development — housing or commercial buildings built along a stretch of road.
- room occupancy tax — Room occupancy tax is a tax that guests at a hotel have to pay in order to stay there.
- root canal therapy — endodontics.
- rooted to the spot — If you are rooted to the spot, you are unable to move because you are very frightened or shocked.
- salt of phosphorus — a colorless, odorless, crystalline, water-soluble solid, NaNH 4 HPO 4 ⋅4H 2 O, originally obtained from human urine: used as a blowpipe flux in testing metallic oxides.
- scissors-and-paste — designating or of a piece of writing that has been assembled from a variety of sources rather than by original research, often in a hasty or uninspired way
- seasonal promotion — Seasonal promotions are items marketed to customers at the appropriate time of year, such as coats in the winter and bathing suits in the summer.
- self-preoccupation — the state of being preoccupied.
- semiprecious stone — See at semiprecious.
- separation anxiety — the normal fear and apprehension expressed by infants when removed from their mothers or approached by strangers.
- september holidays — a period of time in September when people do not have to go to school, college or work
- septic sore throat — an acute, toxic, streptococcus infection of the throat producing fever, tonsillitis, and other serious effects.
- set priority level — (SPL) The way traditional Unix kernels implement mutual exclusion by running code at high interrupt priority levels and thus blocking lower level interrupts.
- shatterproof glass — glass designed to resist shattering
- sheltered workshop — a place of employment for persons with disabilities where their rights are protected and their needs are met.
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- shoot from the hip — the act of shooting with a bow, firearm, etc.
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- short, sharp shock — A short, sharp shock is a punishment that is fairly harsh and severe but only lasts for a short time.
- shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
- shunting operation — an operation in which rail coaches are manoeuvred
- silvery spleenwort — a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 inches (50.8 to 76.2 cm) long on yellowish-green stalks.
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- slow-motion replay — a showing again in slow motion of a sequence of action, esp of part of a sporting contest immediately after it happens
- small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- software backplane — (programming, tool) A CASE framework from Atherton.
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- something to spare — a surplus of something