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English Words Starting With E

4,896 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Suffix Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

epimedium
nounLow (C2+). Technical/specialist.
/ˌɛpɪˈmiːdɪəm/A genus of herbaceous flowering plants in the family Berberidaceae, also known as barrenwort, bishop's hat, or fairy wings.
epimer
nounC2
/ˈɛpɪmə/A type of stereoisomer where the configuration differs at only one of multiple chiral centres in a molecule.
epimere
nounExtremely Low
/ˈɛpɪˌmɪə/A term from anatomy and zoology referring to the dorsal or upper part of a somite in segmented animals (especially embryonic vertebrates), specifically the part that gives rise to skeletal muscle.
epimerism
nounVery low
/ɪˈpɪmərɪzəm/A stereochemical relationship between two molecules that are diastereomers differing in configuration at only one chiral centre.
epimerize
verb-transitiveRare
/ˈɛpɪmərʌɪz/To undergo or cause to undergo epimerization; to convert one epimer into another.
epimorphism
nounVery Low
/ˌɛpɪˈmɔːfɪz(ə)m/A surjective homomorphism in category theory or algebra, preserving structure while mapping onto the entire target object.
epimorphosis
nounVery Low
/ˌɛpɪmɔːˈfəʊsɪs/A type of regeneration in biology where lost body parts are regrown by the proliferation of cells at the site of injury.
epimyocardium
nounVery Low (Technical/Specialized)
/ˌɛpɪˌmaɪə(ʊ)ˈkɑːdɪəm/The combined tissue layer consisting of the epicardium (outer heart layer) and the myocardium (heart muscle tissue).
epimysium
nounVery Low
/ˌɛpɪˈmɪzɪəm/The outermost layer of connective tissue that surrounds an entire skeletal muscle.
epinal
nounLow
/ˌeɪ.piːˈnɑːl/A toponym referring to Épinal, a commune and prefecture in northeastern France.
epinaos
nounVery Low
/ˌɛpɪˈneɪɒs/A rear room or inner sanctuary at the back of the main room (cella) of an ancient Greek or Roman temple.
epinasty
nounRare
/ˈɛpɪnæsti/The downward bending of a plant organ (especially a leaf or petal) due to more rapid growth on its upper surface.
epinephrine
nounLow-frequency (specialized term)
/ˌɛpɪˈnɛfrɪn/A hormone and neurotransmitter, also called adrenaline, that prepares the body for fight-or-flight by increasing heart rate, blood pressure, and glucose availability.
epineurium
nounLow (C2)
/ˌɛpɪˈnjʊərɪəm/The outermost layer of connective tissue surrounding a peripheral nerve.
epingle
nounC1
/eɪˈpæ̃ɡl/A slender, sharply-pointed pin used for fastening materials, especially fabrics.
epionychium
nounExtremely low / Obscure
/ˌɛpɪə(ʊ)ˈnɪkɪəm/The thickened layer of skin at the base of a fingernail or toenail, partially covering the nail plate.
epipastic
adjectivenounVery Low (Obsolete/Very Technical)
/ˌɛpɪˈpæstɪk/Having the quality of dusting or sprinkling over; descriptive of a powder, especially a medical one applied externally.
epiphania
nounC1
/ɪˈpɪf.ə.ni/A sudden, profound realization or comprehension of the true nature or meaning of something; also, the Christian feast celebrating the manifestation of Christ to the Gentiles, represented by the Magi.
epiphanize
verb-transitiveC2 - Extremely Rare
/ɪˈpɪfənʌɪz/To make something a source of a sudden, intuitive insight or realization.
epiphany
nounC1
/ɪˈpɪf.ən.i/A moment of sudden and great revelation or realization.

Showing 2861–2880 of 4896 words.