blastoid
(mineralogy) A triclinic-pinacoidal black mineral containing iron, oxygen, silicon, and sodium.
A member of an indigenous group of Panama and Colombia.
(paleontology) A member of an extinct class of echinoderms, the Blastoidea. / (medicine) A blastocyst grown in-vitro.
(chemistry) A polycyclic aromatic hydrocarbon, (5,6,11,12-tetraphenyltetracene), used in chemiluminescence applications.
博物館の新しい展示では、古生代にさかのぼるまれなブラストイデ類(棘皮動物の絶滅した一群)の標本が公開されている。
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