English Vocabulary
Pick a CEFR level (A1–C2) — A1 is the friendliest place to start — and browse its words grouped by topic: travel, food, the body, emotions, and more. Each word shows its meaning, example sentences, and US/UK pronunciation.
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307 words
telegony
C2
/təˈlɛɡəni/
historical genetics: the discredited belief that a female's previous mate can influence offspring later conceived with another mate
prepotency
C2
/ˌpriːˈpoʊtənsi/
an unusual ability of one parent, individual, or strain to transmit its characteristics strongly to offspring
azoic
C2
/eɪˈzoʊɪk/
containing no evidence of life or dating from a time believed to precede life
baryta
C2
/bəˈraɪ.tə/
an older chemical name for barium oxide, or more broadly for certain barium compounds such as barium hydroxide
bisulfate
C2
/baɪˈsʌl.feɪt/
the hydrogen sulfate ion, HSO4-, which is formed when sulfuric acid loses one proton
homologize
C2
/həˈmɑːlədʒaɪz/
to identify or demonstrate that structures in different organisms correspond because of shared evolutionary origin
serrature
C2
/ˈsɛrətʃɚ/
a row or arrangement of sawlike notches or teeth along an edge
deliquescent
C2
/ˌdɛlɪˈkwɛsənt/
chemistry: absorbing enough moisture from the air to dissolve gradually and form a solution
infusorial
C2
/ˌɪnfjʊˈzɔːriəl/
historical biology: relating to, containing, or formed from Infusoria, a former broad grouping of microscopic aquatic organisms
iodic
C2
/aɪˈɑːdɪk/
relating to iodine, especially to compounds in which iodine has oxidation state +5, such as iodic acid and iodates
parenchymatous
C2
/ˌperənˈkaɪmətəs/
consisting of, relating to, or affecting parenchyma, the functional or softer tissue of an organ
exsert
C2
/ɪkˈsɝːt/
to thrust, extend, or cause a body part or structure to project outward
terraqueous
C2
/təˈreɪkwiəs/
consisting of both land and water, especially in the phrase terraqueous globe for Earth
spiculum
C2
/ˈspɪkjʊləm/
biology: a small sharp needle-like structure, especially a skeletal element of a sponge or other invertebrate
homolog
C2
/ˈhɑːməlɑːɡ/
a biological structure, organ, gene, or other feature that shares a common evolutionary origin with a corresponding feature
rugosity
C2
/ruːˈɡɑːsəti/
the quality or degree of being rough, wrinkled, or ridged
pectinate
C2
/ˈpɛktəneɪt/
biology: shaped or arranged like the teeth of a comb
pilus
C2
/ˈpaɪləs/
A hair.
hypophosphite
C2
/ˌhaɪ.poʊˈfɑːs.faɪt/
Any salt of hypophosphorous acid