20-letter words containing s, i, g, l
- omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
- operational strategy — a plan or set of plans for successfully running a business, etc
- oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
- pedal steel (guitar) — a steel guitar mounted on legs and equipped with pedals that serve as an additional means of changing pitch
- pessimising compiler — /pes'*-mi:z"ing k*m-pi:l"r/ (Antonym of "optimising compiler") A compiler that produces object code that is worse than the straightforward or obvious hand translation. The implication is that the compiler is actually trying to optimise the program, but through excessive cleverness is doing the opposite. A few pessimizing compilers have been written on purpose, however, as pranks or burlesques.
- philoprogenitiveness — producing offspring, especially abundantly; prolific.
- photogelatin process — collotype (def 1).
- physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
- prescription glasses — corrective spectacles
- proportional spacing — a feature of some typewriters and other output devices whereby the space allotted to each character is determined by the width of the character
- pseudo-psychological — of or relating to psychology.
- psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
- pyroligneous alcohol — methyl alcohol.
- raise one's glass to — to drink the health of; drink a toast to
- real-estate register — (in the United States) an annual directory that lists available properties and provides contact details for real estate companies
- real-time processing — data-processing by a computer which receives constantly changing data, such as information relating to air-traffic control, travel booking systems, etc, and processes it sufficiently rapidly to be able to control the source of the data
- reflecting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- revolving presidency — a form of presidency in which the president and vice-president, or countries or bodies acting as such, switch roles after a set period and then back again and so on
- rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
- royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
- royal leamington spa — a city in Warwickshire, central England: health resort.
- saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
- salmonella poisoning — an illness caused by ingestion of a salmonella bacterium
- satellite navigation — navigation using data received from satellites
- satellite photograph — a photograph taken by an artificial satellite from space
- see the light of day — come into being
- self-belaying system — (in climbing) equipment used to pay out rope as required and thus enable a climber to self-belay
- self-differentiating — to form or mark differently from other such things; distinguish.
- sell a bill of goods — a quantity or consignment of salable items, as an order, shipment, etc.
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
- set the ball rolling — to open or initiate (an action, discussion, movement, etc)
- shifting cultivation — a land-use system, esp in tropical Africa, in which a tract of land is cultivated until its fertility diminishes, when it is abandoned until this is restored naturally
- shoulder-length hair — hair that reaches a person's shoulders
- single point mooring — monobuoy.
- size-weight illusion — a standard sense illusion that a small object is heavier than a large object of the same weight
- slip through the net — If criminals slip through the net, they avoid being caught by the system or trap that was meant to catch them.
- snowflake generation — the generation of people who became adults in the 2010s, viewed as being less resilient and more prone to taking offence than previous generations
- soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
- sound-and-light show — a nighttime spectacle or performance, at which a building, historic site, etc., is illuminated and the historic significance is imparted to spectators by means of narration, sound effects, and music.
- spatial technologies — (company) Distributors of the ACIS solid modelling engine.
- special patrol group — a former police unit tasked with counter terrorism in the Royal Ulster Constabulary
- specialist registrar — a hospital doctor senior to a house officer but junior to a consultant, specializing in medicine (medical specialist registrar), surgery (surgical specialist registrar), or some subspeciality of either
- stained glass window — a window made of coloured glass, often showing religious pictures and usually seen in churches
- standstill agreement — law: between company and bidder
- state highway patrol — a state's road traffic police
- synoptic meteorology — a branch of meteorology analyzing data collected simultaneously over a wide region, for the purpose of weather forecasting.