thin section
plural of dungeonmaster
(mineralogy) A thin, optically flat sliver of a material, especially a rock or mineral, that can be used in microscopy. / Used other than figuratively or idiomatically: see thin, section.
plural of fructosamine
(engineering) An arc produced in an atmosphere of oxygen, used for welding.
偏光顕微鏡で、地質学者は鉱物の集合や組織を特定するために、顕微鏡観察用に作成した薄片を調べた。
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