ephedrineA crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.
ephemeraEspecially, such objects that are collectibles, such as (originally) cheap publications (e.g., pamphlets, brochures), single-use packaging from packaged goods, and giveaway or throwaway trinkets.
ephemerophyteAny ephemeral plant, usually in the sense of native or naturalised plants having a short lifespan, but sometimes also in reference to annual plants which cannot sustainably propagate in an environment but can survive in it.
ephemeropteranAny insect of the order Ephemeroptera, the mayflies.
ephippiumA depression in the sphenoid bone; the pituitary fossa.
ephodA priestly vestment, without sleeves, worn girdled at the waist.
ephorOne of the five annually-elected senior magistrates in various Dorian states, especially in ancient Sparta, where they oversaw the actions of Spartan kings.
EphraimThe younger son of Joseph in the Bible, eponymous ancestor of one of the twelve tribes of Israel.
EphraimiteAn allegiant of the Israelite tribal patriarch Ephraim, a member of the tribe purportedly descended from him, or an inhabitant of the Northern Kingdom of Israel (930–720 B.C.), in which the tribe of Ephraim was preëminent.
ephydridAny species of the shore fly family Ephydridae.
ephyraAn immature medusoid stage of a scyphozoan jellyfish once it breaks off from its segmenting polyp.
epiA syringe or autoinjector filled with epinephrine, most frequently used for the treatment of acute allergic reactions to avoid or treat the onset of anaphylactic shock.
epialexyThe aggregation of conspecific insect larvae over the midvein or another elongated aspect of a leaf for coordinated defense, or to maximize feeding efficiency.
epialleleA specific DNA methylation pattern of a genetic locus.
epiblemaThe epidermal cells of rootlets, specially adapted to absorb liquids.
epiblepharonA condition characterised by a congenital horizontal fold of skin near the margin of the upper or lower eyelid, caused by the abnormal insertion of muscle fibres.
epiboleThe irregular recurrence of the same expression within a verse or successive verses of scripture. Essentially random repetition.
epibranchialOf or pertaining to a segment, below (more ventral than) the pharyngobranchial segment and above (more dorsal than) the ceratobranchial segment, on either side of a branchial arch (in a fish) or of a pharyngeal arch (in the embryo of a vertebrate).
epibyssateThat uses a byssus to anchor itself to seaweed or a rock
epicAn extended narrative poem in elevated or dignified language, celebrating the feats of a deity, demigod (heroic epic), other legend or traditional hero.
epicadmiumUsed attributively to describe kinetic energies above that at which cadmium has a large neutron cross section
epiceneOf or relating to a class of Greek and Latin nouns that may refer to males or females but have a fixed grammatical gender (feminine, masculine, neuter, etc.).
epicentreThe point on the land or water surface directly above the focus, or hypocentre, of an earthquake.
epicerasticRelieving the harshness or bitterness of certain bodily humours; (loosely), soothing, emollient.
epichaperomeA network of chaperomes present in cancer cells.
Epicharmuscomic playwright and moralist from Kos (c. 530 – 450 BCE)
epichiremaA syllogism in which the proof of the major or minor premise, or both, is introduced with the premises themselves, and the conclusion is derived in the ordinary manner.
epichiremeA dialectical inference; a syllogism based on probable premises (endoxa), as opposed to a philosopheme which is a demonstrative or scientific syllogism based on true premises.
epichloidRelating to or characteristic of fungi of the genus Epichloe.
epichlorohydrinAny epihalohydrin in which the halogen is chlorine.
epichordalUpon or above the notochord; applied especially to a vertebral column which develops upon the dorsal side of the notochord, as distinguished from a perichordal column, which develops around it.