ArticleslgStudy

science

Urine deflector

Urine deflector is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Urine deflector rather than just read about it. In short: A urine deflector is a device for deflecting the stream of urine during urination. These may be part of a chamber pot, latrine or toilet intended for the purpose, or they may be deterrents, installed in the sides or corners of buildings to discourage their casual use as urinals by passers-by.

Urine deflector — main illustration
Urine deflector — illustration

Key takeaways

  • Urine deflector belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Urine deflector to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Urine deflector from memory before moving on to harder problems.

Reference excerpt

A urine deflector is a device for deflecting the stream of urine during urination. These may be part of a chamber pot, latrine or toilet intended for the purpose, or they may be deterrents, installed in the sides or corners of buildings to discourage their casual use as urinals by passers-by. They may be constructed in various ways from a variety of materials but are typically designed to have an angled surface which catches and redirects the stream.

Intentional design

Equipment used for toilet training such as a potty chair will typically include a urine deflector to ensure that the urine does not splash forward and outside the receptacle. Latrines constructed by the US Marines would contain urine deflectors made from sheet metal or tar paper. These would catch and direct the urine into a trough which would carry it to a separate drainage pit. This would minimise the unpleasant smell which typically results from decomposition and production of ammonia. Other designs of latrine typically include similar urine deflectors to prevent degradation of the wooden components and the walls of the pit.

Deterrent Urine deflectors are thought to be the earliest example of hostile architecture. Such devices were common in the streets of London in the 19th century. A correspondent to The Farmer's Magazine wrote in 1809,... in London a man may sometimes walk a mile before he can meet with a suitable corner; for so unaccommodating are the owners of door-ways; passages and angles, that they seem to have exhausted invention in the ridiculous barricadoes and shelves, grooved, and one fixed above another, to conduct the stream into the shoes of the luckless wight who shall dare to profane the intrenchments. Some may still be found in places such as the Bank of England, Fleet Street and the Savoy. Other cities where antique examples may still be seen include Lviv, Norwich and Venice. In other cities such as Vienna, barriers such as iron railings and spikes have been used to keep people away from attractive corners and crannies. German cities such as Hamburg and Cologne have pioneered the use of hydrophobic paint on walls to deter Wildpinklers. This water-repellent coating causes the stream to rebound at a similar angle and so wet the offender. Other places such as Hackney, Manchester and San Francisco have since evaluated the method for particular trouble spots. London's Soho district was painted in this way in 2022 and Westminster council's full programme of deterrence also included posters, punishment and provision of more public toilets.

Gallery

England

See also

Manneken Pis Taking the piss Urine-diverting dry toilet

References

Illustrations

Urine deflector: Urine deflector in a corner of the Priory Gatehouse in Great Malvern
Urine deflector in a corner of the Priory Gatehouse in Great Malvern
Urine deflector: Potty with urine deflector at left
Potty with urine deflector at left
Urine deflector illustration
Urine deflector illustration
Urine deflector illustration

Worked examples

Example 1 — a first encounter with Urine deflector

Start with the simplest possible case. Write down what Urine deflector claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Urine deflector before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Urine deflector ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Urine deflector

In research
Urine deflector appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Urine deflector in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Urine deflector is common in secondary-school and first-year university syllabi. It links to neighbouring topics Sanitation, Urban design, Urine, so understanding it makes those chapters shorter.
In everyday life
Look for Urine deflector outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Urine deflector” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Urine deflector in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Urine deflector means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Urine deflector out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Urine deflector in simple terms?

A urine deflector is a device for deflecting the stream of urine during urination. These may be part of a chamber pot, latrine or toilet intended for the purpose, or they may be deterrents, installed in the sides or corners of buildings to discourage their casual use as urinals by passers-by.

Why does Urine deflector matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Urine deflector?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Urine deflector.

Tags

  • Sanitation
  • Urban design
  • Urine

Keep exploring