Assertion: hourglass | /r/MadeOf | two glass vessels
Facets:
Source sentences:
text: As nouns the difference between sandglass and hourglass is that sandglass is an instrument for measuring the passage of time by the passage of sand through a narrow opening while hourglass is a clock made of two glass vessels connected with a narrow passage, with sand flowing through that passage.
text: As nouns the difference between clock and hourglass is that clock is an instrument used to measure or keep track of time; a non-portable timepiece or clock can be a pattern near the heel of a sock or stocking or clock can be a large beetle, especially the european dung beetle (scarabaeus stercorarius ) while hourglass is a clock made of two glass vessels connected with a narrow passage, with sand flowing through that passage.
text: Slughorn's Hourglass was a clock made of two glass vessels connected with a narrow passage through which sand and a green fluid flowed, and green serpentine features adorning the outside.