unitar-a, -(ul)o: Unitarian; -ismo: (rel. sect., doctrine) Unitarianism. — DEFIRS
univalv-a*: (of shells) univalvular.
univers-o: universe; -ala: universal; -al-eso: universality; -igar: to make (ulo) universal; -al-ist-i: (rel.) universalists. — DEFIS
universitat-o: university; -ano: member of u.; an (under)graduate. — DEFIRS
un-later-a: unilateral; (jur.) binding on one party only.
un-senc-a: having but one meaning, signification.
un-sexu-a: (bot.) unisexual.
unt-o: coom: old cart-grease. — IS
un-valv-a: (bot., conch.) univalvular.
upup-o: (orni.) hoopoe (genus: Upupa). — EFI
uragan-o: hurricane, violent gale. — eFIRS
uran-o*: (chem.) uranium; -oxo: proto-oxide of u., pitchblende.
uranografi-o: uranography. — DEFIRS
urat-o*: (chem.) urate.
urb-o: city, large town; (cf. civito); -ego: a large c.: (cf. metropolo); -ala: urban; -o-domo: city-hall; -estro: mayor. — eFIS
urd-ar: (tr., of weaving) to warp (cloth). — FIS
ure-o*: (chem.) urea. — EFIS
uremi-o*: (med.) ur(a)eia. — DEFS
ureter-o*: (anat.) ureter (duct).
uretr-o: (anat.) urethra. — DEFIS
uretrit-o*: (med.) urethritis.
uretroskop-o*: urethroscope.
uretrotomi-o*: (surg.) urethrotomy.
urin-o: urine; -ala: urinary; -ifar: to urinate, make water (cf. miktar); -vazo: urinal, pot; -if-eyo: (public) urinal. — DEFIRS
urj-ar: (intr.) to be urgent, pressing; -igar: to urge (ulu, ulo); -anta: urgent; -ant-eso: urgency; la kazo -as: it is an u. case; en -anta kazo: in case of urgency. — EFIS
urn-o: urn; -o elekt-ala: ballot-box. — DEFIRS
urogal-o: capercailzie: the largest European grouse (Tetrao urogallus). — L
urox-o: (zool.) aurochs: European bison (Bos urus). — DeFS
urs-o, -ulo, -ino: (zool.) bear (genus: Ursus); -yuno: young b.; granda, mikra urso: (astron.) Great, Little Bear; -ala: ursine. — eFIS
urtik-o: (stinging-)nettle (genus: Urtica); -ago: (med.) urtication: whipping or stinging with nettles. — eFIS
urtikari-o: urticaria, nettle-rash. — EFIS
usher-o: usher (judicial courts, etc.). Def.: Ta qua komisesas oficale por konocigar ed exekutigar la judiciala decidi. — Mondo XI. 227, dec. 1580. — EFS
utard-o: (orni.) bustard (Otis tarda). — FIS
utensil-o: utensil, tool, instrument, implement; -i koqu(ey)ala: kitchen u.; -i kultiv-ala: farming tools. — DEFIS
uter-o: uterus, womb. — DEFIS
util-a: useful, of use; -eso: (quality) utility, usefulness; -ajo: utility, useful object; -esar: to be useful (ad); to be used (por); -eskar: to become u.; -igar su -a: to make oneself u.; -igar: to utilize, turn to good use, turn to account, avail oneself of; -igo: utilization; -ismo: (philos.) utilitarianism; -isto: utilitarian; -ista, -ism-ala: utilitarian. — EFIS
utopi-o: utopia; -a, -ala, -atra: utopian; (cf. kimera); -isto: utopist. — DEFIRS
utrikul-o: utricle. — DEFIS
uve-o: (anat.) uvea. — EFIS
uvertur-o: (mus.) overture. — DEFR
uvul-o: (anat.) uvula. — EFIS
uz-ar: (tr.) to use, employ: make use of (ulo); to wear out (clothing, etc.); -o, -ado: use, usage (cf. kusumo, util-eso); -o-yuro: right of use; -i e kustumi: ways and customs; vest-aro ja uz-ita: worn clothing; uzar la vest-aro: to wear out clothing. Ex.: Uzar violento, remediilo. Vorto rare uzata. — DEFIS
uzufrukt-ar: (tr., jur.) to have the usufruct of (ulo). — EFIS
uzukapt-ar: (tr., jur.) to have the usucaption of (ulo). —EFIS
uzur-ar: (intr.) to practice usury. — EFIS
uzurp-ar: (tr.) to usurp (ulo de ulu); to encroach upon, trench upon, infringe; -o: usurpation, encroachment. Ex.: Uzurpar la trono, ula yuro, povo, domeno. — DEFIRS
V
vab-o: honey-comb. Def.: Konstrukturo ek vaxo, quan la abeli facas en la abeluyo IV-398. — D
vacil-ar: (intr.) to vacillate: be unsteady, waver, reel, stagger; to fluctuate, waver in mind or opinion; (of light) to flicker; (in speaking) to falter; -(ad)o: vacillation; -ar sur la gambi: to shake in or be unsteady on the legs. Ex.: La tablo vacilas. Ta homo havis vacilanta marcho (-maniero). Lumo qua vacilas. — EFIS
vacin-o: (disease) cow-pox; -serumo: vaccine (matter); -izar: to vaccinate (ulu); -iz(ad)o: vaccination; -ifar: to produce cow-pox. — EFIR
vacini-o: (bot.) red whortleberry (or billberry), cowberry (Vaccinium). — L
(tra-) vad-ar: (tr.) to ford, wade across (a river, etc.); -eyo: ford; -ebla: fordable. — eIS
«vade-mecum»: vade mecum.
vafl-o: waffle: thin cake; -muld-ilo: w. iron. — DeR
vag-ar: (intr.) to wander, rove about, stroll, stray, straggle; -ado: roaming, vagrancy; -ema; -em-acho: vagrant, vagabond; -anta mendikero: strolling beggar; -anta mento: (fig.) wandering mind. — DEFIS
vagin-o: (anat.) vagina. — DEFS
vagon-o: railway-carriage, car; -o un-esma-klasa: first class c.; lit-, dormo- -o: sleeper; restor- -o: dining-car. — DeFRS