WikiCards · Card list · Science cards · Neighbourhood
Uncommon card · Science
Neighbourhood, an Uncommon card
In topology and mathematical analysis, a neighbourhood is one of the basic concepts in a topological space.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 56
- DEF
- 40
- Power
- 96
- Wikipedia reads a year
- 38,000
Power 96 (ATK + DEF): stronger than 40 % of WikiCards cards.
Neighbourhood quiz: 3 questions
Three questions on the Neighbourhood card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is closely related to the ______ of open set and interior.
Answer
concepts. It is closely related to the concepts of open set and interior. From the Neighbourhood article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Dose–response relationship. Dose–response relationship 63 · Compressibility 60 · Neighbourhood 56 · Lifebuoy 49 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is closely related to the concepts of open set and interior.
- Intuitively speaking, a neighbourhood of a point is a set of points containing that point where one can move some amount in any direction away from that point without leaving the set.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Neighbourhood article was read about 38,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 56 and blocks with 40: each hit it takes is cut by 16 %.
How to get Neighbourhood
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Neighbourhood in the power ranking, all domains together.
- Ian VeneracionUncommon · Arts · ATK 61 DEF 35
- Jacques PrévertUncommon · Arts · ATK 59 DEF 37
- LifebuoyUncommon · Science · ATK 49 DEF 47
- Bill AtkinsonUncommon · Arts · ATK 58 DEF 38
- Hans von BülowUncommon · Arts · ATK 61 DEF 35
- Leo McCareyUncommon · Arts · ATK 64 DEF 32
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Neighbourhood (revision), CC BY-SA 4.0. Photo : Oleg Alexandrov, Public domain, Wikimedia Commons.

