hourglass
device to measure the passage of time
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Summary
hourglass ranks in the top 2% of general entities by monthly Wikipedia readership (4,130 views/month).[1]
Key Facts
- Subclass of: timepiece[2]
- Has use: chronometry[3]
- Commons category: Hourglasses[4]
- Unicode character: ⌛[5], ⏳[6]
- Has part(s): ampoule[7], granular material[8]
- Source of energy: gravity[9]
- Topic's main category: Category:Hourglasses[10]
- Described by source: Small Brockhaus and Efron Encyclopedic Dictionary[11], Metropolitan Museum of Art Tagging Vocabulary[12], Encyclopædia Britannica 11th edition[13], New International Encyclopedia[14]
- Shape: hyperboloid[15]
- Different from: water clock[16]
- Exact match: http://wordnet-rdf.princeton.edu/wn30/03544143-n[17], http://wordnet-rdf.princeton.edu/id/03549323-n[18]
- On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[19]
Body
Influence
Things named for hourglass include Hourglass Nebula[20], a planetary nebula[21] and Hourglass Lake[22], a lake[23].
Why It Matters
hourglass has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[24] hourglass is known by 53 alternative names across languages and contexts.[25]
Entities named for hourglass include Hourglass Nebula[20], a planetary nebula[21] and Hourglass Lake[22], a lake[23].