smooth endoplasmic reticulum
Flat can be a noun:I have a flat on my car.When used to modify another word, it is not a noun:I have a flat tire on my car.
bland, dull, flat, weak
Collapsed. Pancaked Crashed Toppled
The comparative of plain is 'plainer' and the superlative is 'plainest'.
The flat surface felt smooth.
Other words for 'flat' are... even, level smooth, equal.
Flat, even.
flat
a platue
A flat.
SegueTransition
Tranquil, serene.
buttery, soft, smooth
bumpy, rugh
It means smooth, or flat
smooth endoplasmic reticulum