etherealPertaining to the presupposition of an invisible air-like element permeating all of space, or to the higher regions beyond the earth or beyond the atmosphere.
etherealismThe condition of being ethereal; ethereality
etherifyTo convert (an alcohol etc.) into an ether.
etheriidAny freshwater mussel in the family Etheriidae.
etherinA white crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether.
etherionA gas formerly believed to exist in air, initially identified by Charles F. Brush in 1898. He estimated that its density was one ten-thousandth of hydrogen.
ethidiumThe cationic form of a polycyclic aromatic base, name 3,8-Diamino-5-ethyl-6-phenylphenanthridinium, whose bromide is used as a stain for nucleic acids
ethionAn organophosphate insecticide, [(dethoxyphosphinothioylthio)methylthio]-diethoxy-thioxophosphorane, that is known to neutralise the neural enzyme acetylcholinesterase.
ethionamideAn antibiotic prodrug C₈H₁₀N₂S effective only against mycobacteria and used in the treatment of tuberculosis and leprosy.
ethionicRelating to ethionic acid and its derivatives
ethionineA toxic and carcinogenic non-proteinogenic amino acid structurally related to methionine, with an ethyl group in place of the methyl group.
ethmocephalyA rare cephalic disorder characterised by the absence of a nose and the presence of a proboscis between the eyes
ethmofrontalRelating to the ethmoid and frontal bones
ethmoidA light spongy cubical bone at the root of the nose, forming much of the walls of the nasal cavity and part of those of the orbits and having many perforations through which the olfactory nerves pass to the nose.
ethmoidectomyA surgical procedure involving the removal of part or all of the ethmoid sinus air cells, typically performed to treat chronic sinusitis, nasal polyps, infection, or obstruction.
ethnarchyA population and area of land governed by a single ruler, called an ethnarch, and in which the population is of homogeneous ethnicity and the political unit is of insufficient size to be considered a kingdom or nation.
ethnicOf or relating to a group of people having common racial, ancestral, national, religious or cultural origins.
EthniuThe daughter of the Fomorian king Balor, wife of Cian and the mother of Lugh and Delbáeth, and the grandmother of Cúchulainn and Fionn mac Cumhaill.
ethnizationThe act or process of making a group into, or of becoming as a group, an ethnicity or distinct people.