ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
From Ancient Greek τηκτός (tēktós, “molten”), from τήκειν (tḗkein, “to melt”).
tektite (複数形 tektites)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/27 17:38 UTC 版)
Tektites (from Greek τεκτός tektos, molten) are natural glass rocks up to a few centimeters in size, which most scientists argue were formed by the impact of large meteorites on Earth's surface. Tektites are typically black or olive-green, and their shape varies from rounded to irregular.
名詞の変化形:
tektite