noun 다운로드 🔗공유 규조 Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta. Examples : "The scientist studied the intricate, glass-like shell of the diatom under a microscope. " 과학자는 현미경으로 규조의 복잡하고 유리 같은 껍질을 연구했다. organism nature biology plant microorganism ecology ocean environment science AI와 채팅어휘 게임독해 연습