A laminated, columnar, rock-like structure constituting a large share of all fossils from 3.5 to 0.5 billion years ago, with some still being formed at present, some or all of which result from the deposit of minerals by microorganisms such as cyanobacteria.
STROMATOLITE is a
12
letter word starting with
S
and ending with
E
Definitions & Synonyms
noun -
STROMATOLITE is a layered deposit, mainly of limestone, formed by the growth of blue-green algae (now known as cyanobacteria) in prehistoric seas.