20-letter words containing tin
- nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- ode to a nightingale — a poem (1819) by Keats.
- operating conditions — Operating conditions are a set of conditions for operating a particular system or process.
- oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
- photogelatin process — collotype (def 1).
- prosecuting attorney — the public officer in a county, district, or other jurisdiction charged with carrying on the prosecution in criminal proceedings.
- psychometric testing — the use of psychometric tests, often as a selection method
- quaker meeting house — a place where Quakers gather for worship
- quarantine anchorage — an anchorage for ships awaiting a pratique.
- reciprocating engine — an engine in which one or more pistons move backwards and forwards inside a cylinder or cylinders
- recursive subroutine — a subroutine that can call itself as part of its execution
- 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.
- retinitis pigmentosa — degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.
- rhineland-palatinate — a state in W Germany: formerly part of Rhine Province. 7655 sq. mi. (19,825 sq. km). Capital: Mainz.
- seating arrangements — the seating plan for a formal occasion
- self-differentiating — to form or mark differently from other such things; distinguish.
- serpentine stretcher — an X -stretcher having curved lines.
- setting-up exercises — gymnastic exercises for better posture, suppleness, 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
- skating championship — a competition for ice-skating
- 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.
- space-time continuum — Also called space-time continuum. the four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.
- sunday-go-to-meeting — most presentable; best: Sunday-go-to-meeting clothes.
- synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
- tropical continental — a type of warm, dry air mass originating at low latitudes over land areas
- waiting in the wings — standing offstage and ready to make an entrance