primordial sludge
A mixture of organic molecules hypothesized to be the origin of life on EarthA mixture of organic molecules hypothesized to be the origin of life on Earth; primordial soup.
Meaning
1 senses(uncountable)A mixture of organic molecules hypothesized to be the origin of life on Earth; primordial soup.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable