Funnel CloudA condensation funnel extending from the base of a towering cumulus or Cb, associated with a rotating column of air that is not in contact with the ground…
FunnellingThe process whereby wind is forced to flow through a narrow opening between adjacent land areas, resulting in increased wind speed.
FurbearerAn animal that is hunted or farmed for its fur.
furfuralAn aldehyde derivative of certain biomass conversion processes; used as a solvent.
FurlingThe process of forcing, either manually or automatically, a wind turbine's blades out of the direction of the wind in order to stop the blades from…
FurnaceAn enclosed chamber or container used to burn biomass in a controlled manner to produce heat for space or process heating.
Furnace (Residential)A combustion heating appliance in which heat is captured from the burning of a fuel for distribution, comprised mainly of a combustion chamber and heat…
FurrowA natural or man-made narrow depression in the earth's surface. A narrow trenchlike plowed depression in the earth surface to keep surface water away from…
Fusarium spp.A group of fungal pathogens of many economic crop species, particularly cereals, where severe infestation leads to losses in both grain yield and quality.
FuseA safety device consisting of a short length of relatively fine wire, mounted in a holder or contained in a cartridge and connected as part of an…
Fuse plug spillwayA form of auxiliary spillway consisting of a low embankment designed to be overtopped and washed away during an exceptionally large flood.
FusionThe combining of lighter elements into heavier ones. For lighter elements (e.g., hydrogen, helium) this process releases energy.
fusion biopharmaceuticalsFusion proteins with pharmaceutical properties. Their advantages are: 1. Synergistic activities in one molecule, i.e.
fusion gene(FYOO-zhun JEEN) A gene made by joining parts of two different genes. Fusion genes may occur naturally in the body by transfer of DNA between chromosomes.
fusion protein(FYOO-zhun PROH-teen) A protein made from a fusion gene, which is created by joining parts of two different genes.
fusion toxinA fusion protein that consists of a toxic protein domain plus a cell receptor binding domain.
fusogenic agentAny chemical or virus, etc., that causes cells to fuse together.
Future withoutWhat would occur if no action were taken. The future without taking any action to solve the problem. See baseline condition.
Futures marketA market in which contracts for future delivery of a commodity or a security are bought and sold.