flutes
[Co].
The vertical hollows cut into the sides of a column which emphasized its rotundity—a device necessary in the brilliant sunlight falling on white marble—and which took off glare from the marble by the easy graduations of light.
fluting
[De].
Pattern of ornamentation often found on pottery which comprises a series of broad parallel corrugations, either horizontal, diagonal, or vertical, which have a wave-shaped cross-section.
Fluvialism
[Th].
Proposition by early 19th-century
ad
geologists that, contrary to the
DILUVIALISM
theory, geological strata were the result of the orderly deposition of sediments over a prolonged period of time, comparable to processes observable at the present time in rivers, lakes, and sea. See also
UNIFORMITARIANISM
.
fluxgate gradiometer
[Eq].
fluxgate magnetometer
[Eq].
flying buttress
[Co].
An arched supporting pier outside a building which takes most of the weight of the roof, allowing the walls to be devoted to window-space rather than being used to support the roof.