lekt-ar: (tr.) to read, peruse; -ajo: what is read; -ebla: readable: legible; -inda: readable: worth reading; ri- -ar: to read over again. — FIRS
lektor-o: (university) lecturer; (eccl.) lector. — DEFIS
lem-o: (log., math.) lemma; loam (as used for founding).
leming-o*: (zool.) lemming (genus: Lemmus). — DEFI
lemniskat-o: (geom.) lemniscate. — DEFI
lemurian-o: (zool.) lemur (sub-order: Lemuroidea). — DEFIS
leng-o: (ichth.) ling (gadus molva).
leni-o: (firewood) block, log; -eto: billet, block; (cf. ligno-bloko). — IS
lens-o: (opt.) lens; (bot.) lentil (Lentilla lens); -atra, -forma: lenticular.
lent-a: slow: not acting, moving promptly, sluggish, lagging; (cf. tarda); -acha: dawdling; (plu-) -igar: to cause (ulo, ulu) to slow down. Ex.: Lenta treno, mento, exekuto, veneno, morto. Ant.: rapida, ajila. — FIS
lentigin-o: freckle; -oza: lentiginous, freckly. — EFIS
lentisk-o: (bot.) lentiscus: mastic-tree (Pistacia lentiscus). — EFIS
leon-o: -ulo, -ino: lion; (astr.) Leo; (fig.) object of interest and curiosity; -yuno: young lion, lion’s cub; -ala: leonine; -ala parto: (fig.) the lion’s share; -dento: (bot.) dandelion (Leontodon taraxacum). — EFIS
leopard-o: (zool.) leopard (Felis Leopardus). — DEFIRS
lepidodendr-o*: (paleon.) lepidodendron. — DEFIRS
lepidopter-o: (ent.) lepidopter(an). — DEFIS
lepor-o: hare (genus: Lepus); -raguto: jugged hare; -labio: hare lip. — FIS
lepr-o: (med.) leprosy. — DEFIS
lern-ar: (tr.) to learn (ulo); (cf. instruktar, docar, studiar, saveskar); -o-libro: text-book, manual. V. exp.: La gepatri docas ulo a la infanto, a la puero. La infanto, la puero lernas ol.
lesbian-a*: lesbian.
lesiv-ar: (tr.) to wash (clothes, etc. in lye); (chem.) lixiviate; -aquo: lye-water; lixiviation; -ajo: linen or object to be washed, the laundry. — FI
letargi-o: (med.) lethargy: morbid sleepiness; (cf. torporo). — DEFIRS
letr-o: (in correspendence) letter; -o-kapo: letter-head; -ponder-ilo: letter-scale. — EFIS
leucin-o*: (physiol., chem.) leucine. — DEFIRS
leucit-o: (min.) leucite; (bot.) leucite: leucoplast. — DEFIRS
leukocit-o: (anat.) leucocite: white blood corpuscle. — DEFIRS
leukocitos-o*: (physiol. and med.) leukocytosis. — DEFIRS
leukom-o: (anat.) leucoma. — DEFIRS
leukoplast-o*: (bot.) leucoplast. — DEFIRS
lev-ar: (tr.) to lift (up); to raise (from below); -ar su: to arise, get up; -ilo: lifting instrument; -o-skrubo: screw-jack; -ar la shultri: to shrug the shoulders; -ponto: lifting-bridge. Ex.: Levar la pedo, la manuo, la ankro. V.exp.: vid. elevar. — EFIS
lever-o: (mechan.) lever, handspike; fer- -o: crowbar. — EFI
leviatan-o: (pr. and fig.) leviathan. — DEFIRS
levisstik-o: (2001) lovage.
levit-o: Levite. — DEFIRS
levrier-o, -ulo, -ino: greyhound. — FIS
lexik-o: lexicon, dictionary (esp. of Greek, Latin, Hebrew); (cf. vort-aro, vorto-libro). — DEFIRS
lexikograf-o: lexicographer. — DEFIS
lexikografi-o: lexicography. — DEFIS
lexikologi-o: lexicology; -isto: lexicologist. — DEFIS
ley-o*: universal law.
lez-ar: (tr., physiol., jur.) to injure, hurt, wrong; -o, -uro: (jur.) wrong, injury; (med.) lesion. — DEFIS
li: they (in general); (cf. il); -a, -i: (adj.) their(s). — IS
lian-o: (bot.) liana, bind-weed, creeper; any woody, climbing and twining plant. — DEFIRS
lias-o: (geol.) Lias. — DEFIS
libacion-ar: (intr.) to offer up libations; -o: libation, potation. — DEFIS
libel-o: libella: an instrument which measures levels: (water-) level.
libelul-o: (ent.) libellulid: dragon-fly; (Libellula). — DEFIS