heptasilver
Seven atoms of silver in a chemical compoundSeven atoms of silver in a chemical compound.
Meaning
1 senses(in compounds, uncountable)Seven atoms of silver in a chemical compound.
Origin
From hepta- + silver.From hepta- + silver.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable