Diatom
Pronunciation
- RP IPA: /ˈdaɪətəm/
- US IPA: /ˈdaɪətÉ‘Ëm/
Origin
From Ancient Greek διά (dia, "through") + Ï„Îμνειν (temnein, "to cut"), i.e., "cut in half"
Full definition of diatom
Noun
diatom
(plural diatoms)- A group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class or division Bacillariophyta, formerly all included in the order , now obsolete.