filas-o: tow, harl (of flax, hemp, for spinning). V. exp.: La materio ek qua on filifas. Filaso ne esas stupo; nam on ne povas filigar stupo; III—74. — FS
filateli-o: philately, stamp collecting; -ar: (intr.) to collect stamps; -ero: philatelist. — DEFIS
filet-o: fillet, chine (of beef, fish); thread (of a screw, worm); -ino: female thread (tech.); -izar: to cut a thread on. Ex.: Fileto de soleo. Skrub-fileto. — DFIS
filharmoni-o: philharmony; -ala: philharmonic (society, etc.). Def. Amo pasionoza por muziko. — DEFIRS
filhelen-a, -o: philhellen -ic, -ist. — DEFIS
fili-o: child (of), son or daughter; -ulo: son; -ino: daughter; -ala: filial; -eso: filiation, relations of children to parents; -al-igar: (fig.) to affiliate (cf. adoptar); -alo: (fig.) branch establishment; -ino di la karitato: sister of charity. — EFIRS
filigran-o: filigree (work), filigrane. — DeFIRS
filik-o: (bot.) fern (order: Filices). — IL
filipik-o: philippic. — DEFIRS
filistr-a, -ala; -o: (fig.) philistine.
film-o: (photog.) film. — DE
filogenez-o*: phylogeny, phylogenesis. — DEF
filolog-o: philologist. — DEFIRS
filologi-o: philology; -ala: philological; -isto: philologist. — DEFIRS
filoxer-o: (ent. genus) phylloxera, plant lice (cf. afidio). — DEFIRS
filozof-o: philosopher; -ala: relating to a p. — DEFIRS
filozofi-ar: (intr.) to philosophize; -o: philosophy; -ala: philosophical. — DEFIRS
filtr-ar: (tr., intr.) to filter, strain, percolate; -ilo: filter. — DEFIRS
fin-ar: (tr., intr.) to finish, to end, leave off, to have done, come to an end; -igar: to finish (ulo), to cause to end, put an end to, terminate; -o: end, finish; -a, -ala: final; -alo: (gram.) final syllable; (mus.) finale; -e: finally, at last, lastly; -eskar: to draw to, to approach the end; par- -ita: entirely completed, finished; sen- -a: endless, interminable; sen- -e: indefinitely; -evento: denouement, final event, outcome; la muro finas ye ca loko: the wall finishes at this place; finigez vua parolado: put an end to your talk; ye la fino di ca monato: at the end of this month; finala kauzo: final cause. — EFIS
financ-o: finance, pecuniary resources; -ala: financial; -isto: financier. — DEFIRS
fing-ar: (tr.) to feign, sham, pretend, (cf. simular); -o, -uro: dissimulation; false appearance, pretence, sham; figment; -ajo: a fiction, make-believe; -ita: feigned, fictitious. Def.: Simular por trompar. Ex.: Fingar joyo, maladeso. Il fingis amorar me. — DeFIRS
fingr-o: (anat.) finger, digit; -ala: digital; ped- -o: toe (cf. haluxo); -uyo, -chapo, -shirm-ilo: thimble; f. stall; -agar, -ordinar: (tr., mus.) to finger; -o-frap-eto: fillip; indik- -o: forefinger, index f.; (cf. polexo); meza -o: middle f.; ringo- -o: ring finger, third f.; mikra, orel- -o: little f. — DE
finis-ar: (tr., tech.) to finish off (an article), to put the finishing touches to (ulo); -limar: (tr.) to finish off (ulo) with a file. Def.: Finisado esas la lasta laboro, quan on facas pri ula material produkturo, por ke ol havez sua definitiva forma ed aspekto; VI-383.
finit-a: (math., philos.) finite; -ajo: a f. object.
fink-o: (orni.) chaffinch (Fringilla coelebs). — D
fint-o: (milit., boxing, fencing) feint; -ar: (intr.) to (make a) f. Def.: Simulita atako. Termino teknikal di la skerm-arto, uzata anke metafore; V-484, 676. — DEF
fioritur-o: (mus.) grace note, flourish. — DFIRS
firm-o: (com.) firm; -estro: head of f. — DEFRS
firmament-o: (lit. and fig.) firmament. Def.: L'antiqua nociono di la cielo (kom solida vulto); V-484. — DEFIS
fis: (mus.) F sharp.
fish-o: (also astron.) fish; -et-aro: small f., fry (collect.); -oza: abounding in f.; -izar: to stock with f.; -atra, -forma: f. like, f. shaped; -kaptar: to catch a f. (cf. peskar); -vendar: to sell f.; -koquar: to cook f.; -vend-eyo: f. market; -koqu-ilo: f. kettle; -osto: f. bone; -manj-anta: f. eating, ichthyophagous; -edukado: pisciculture: raising of f; popul-izar per -yuni: to stock with fry. — DE
fisk-o: fisc: state or royal treasury; an exchequer; -ala: fiscal; -ala bilieto: treasury note; -ala ad-ministr-ado: fiscal administration. — DEFIRS
fistul-o: fistula. — DEFIRS
fit-ar: (intr.) -igar (tr.): (mechan., also of garments) to fit: suit as to shape, size; -eg-anta: tight-fitting. Def.: Tale adjustigar mashinal peci, ke li ne plus movas en ula direciono exter l'axala (anke uzata por la vesti); (VII-99). Ex. Ica fitas quale ganto. — EI
fix-a: fixed (day, star, look, idea); -e: fixedly, steadfastly; -igar: to fix, fasten (ulo), to appoint (a day); -eso: fixity, fixedness; -igo: fixation; -ig-iva, -ivo: (photog.) fixing (agent). Ex.: Stelo fixa. Regardar fixe. Fixigar ulo per pinglo. Fixigar preco. Fixigar la atenco. — DEFIS
fizik-o: physics; -ala: physical, -isto: physicist; -o-matematik-ala: physico-mathematical. — DEFIRS
fiziognomoni-o*: physiognomics: art of reading character. — DEFIRS
fiziokrati-o: physiocracy: economic doctrine of Quesnay; -isto: physiocrat. — DEFIRS
fiziologi-o: physiology; -isto: physiologist. — DEFIRS
fizionomi-o: physiognomy, countenance, facial appearance; -isto: physiognomist. — DEFIRS
flad-o: flawn, a sort of flat custard cake. — D