fucolipid, 601 fuel cycle (nuclear), 601 fuel element (nuclear), 602 fuel reprocessing (nuclear), 602 fugacity, , , 602 fugacity coefficient, , 602 fulgides, 602 full energy peak, 603 fullerenes, 603 fulminates, 603 fulvalenes, 604 fulvenes, 604 fume in atmospheric chemistry , 604 fumes, 604 fumigation in atmospheric chemistry , 605 functional class name, 605 functional group, 605 functional parent, 605functional polymer, 606 functionality, of a monomer , 606 furanocoumarins, 606 furanoses, 606 furnace black, 607 furnace pyrolysis in spectrochemical analysis , 607 furocoumarins, 607 fusion in biotechnology , 608 fusion name, 608 FWHM (Full Width at Half Maximum), 608 γ-cascade, 609 γ-quantum, 609 γ-radiation, 609 γ-ray spectrometer, 609 value in nuclear chemistry , 609 gain, of a photomultiplier , 610