Last Updated
：2026/01/04
こさいきん
Kanji
古細菌
Noun
Japanese Meaning
古細菌: archaebacteria
Easy Japanese Meaning
とてもむかしからいる ちいさな みえない いきものの なかま。ふつうの ばいきんと すこし ちがう。
Chinese (Simplified) Meaning
古菌；古细菌 / 与细菌和真核生物不同的一类原核微生物 / 常生活在极端环境的微生物类群
Chinese (Traditional) Meaning
與細菌不同的一類微生物，亦稱古菌 / 能在高溫、高鹽等極端環境生存的原核生物 / 與細菌、真核生物並列的生命域成員
Korean Meaning
세균과 다른 독립 계통의 원핵생물 / 고온·고염 등 극한 환경에 서식하는 미생물 무리
Vietnamese Meaning
cổ khuẩn / vi khuẩn cổ / giới cổ khuẩn
Tagalog Meaning
arkeya; dating tinawag na arkebakterya / sinaunang uri ng mikrobyo na naiiba sa tunay na bakterya / mikroorganismong kadalasang nasa matitinding kapaligiran
Sense（1）
古細菌: archaebacteria
（ romanization ）
Quizzes for review
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こさいきん
See correct answer
Archaebacteria are considered one of the oldest life forms on Earth.
Archaebacteria are considered one of the oldest life forms on Earth.
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こさいきんは地球上で最も古い生命体の一つとされています。
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