As nouns the difference between filament and colonies
is that filament
is a fine thread or wire while colonies
Other Comparisons: What's the difference?
A fine thread or wire.
Such a wire, as can be heated until it glows, in an incandescent light bulb or a thermionic valve.
(physics, astronomy) A massive, thread-like structure, such as those gaseous ones which extend outward from the surface of the sun, or such as those (much larger) ones which form the boundaries between large voids in the universe.
- solar filament
- galaxy filament
(botany) The stalk of a stamen in a flower, supporting the anther.
(textiles) A continuous object, limited in length only by its spool, and not cut to length.
- the Ursa Major Filament