packstone
A bird of the order of Struthioniformes, a diverse group of large running, flightless birds, mostly extinct, but including the cassowary, elephant bird, emu, kiwi, moa, ostrich, rhea and tinamou
(Internet) Acronym of Computational Infrastructure for Operations Research.
A kind of grain-supported calcareous rock containing lime mud.
The inner groove on a vinyl record in the form of a closed loop, which traps the tonearm and needle, preventing it from entering the label area.
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