fire-resisting
— Adjective
– English
～ difficult to burn
fire-resistive
— Adjective
– English
～ difficult to burn
functional magnetic resonance imaging
— Noun
– English
～ a form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain
frequency response
— Noun
– English
～ (electronics) a curve representing the output-to-input ratio of a transducer as a function of frequency
frequency-response characteristic
— Noun
– English
～ (electronics) a graph of frequency response with signal amplitude or gain plotted against frequency
frequency-response curve
— Noun
– English
～ (electronics) a graph of frequency response with signal amplitude or gain plotted against frequency
final result
— Noun
– English
～ something that results; "he listened for the results on the radio"
flame-retardant
— Adjective
– English
～ resistant to catching fire
fire-retardant
— Adjective
– English
～ difficult to burn
flat-coated retriever
— Noun
– English
～ an English breed having a shiny black or liver-colored coat; retrieves game from land or water
false return
— Noun
– English
～ an incorrect income tax return
Fuerzas Armadas Revolucionarios de Colombia
— Noun
– English
～ a powerful and wealthy terrorist organization formed in 1957 as the guerilla arm of the Colombian communist party; opposed to the United States; has strong ties to drug dealers
February Revolution
— Noun
– English
～ the revolution against the czarist government which led to the abdication of Nicholas II and the creation of a provisional government in March 1917
French Revolution
— Noun
– English
～ the revolution in France against the Bourbons; 1789-1799
Fatah Revolutionary Council
— Noun
– English
～ a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries; "in the 1980s the Fatah-RC was considered the most dangerous and murderous Palestinian terror group"
family Rhamnaceae
— Noun
– English
～ trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
fern rhapis
— Noun
– English
～ small graceful palm with reedlike stems and leaf bases clothed with loose coarse fibers
family Rheidae
— Noun
– English
～ a family of birds coextensive with the order Rheiformes
family Rhincodontidae
— Noun
– English
～ small-toothed sharks comprising only one species
family Rhinobatidae
— Noun
– English
～ primitive rays with guitar-shaped bodies