(a.) Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.
(a.) Short-lived; existing or continuing for a short time only.
(n.) Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc.
Example Sentences:
(1) Absent English-language material tends to be ephemeral or otherwise out of scope for the resource libraries.
(2) "We've seen evidence ourselves that the use case of ephemeral messaging is very powerful."
(3) The isolates have been typed as 27 separate viruses belonging to the bluetongue, epizootic haemorrhagic disease, Palyam, Simbu, bovine ephemeral fever, Tibrogargan and alphavirus groups.
(4) When mice were treated with P90 before being primed with sheep erythrocytes, polyclonal immunoglobulin synthesis was accompanied by an ephemeral stimulation of the specific immune response against sheep erythrocytes that was quickly replaced by a dramatic immunosuppression.
(5) The short course of respiratory failure suggests that toxin effect is unusually ephemeral with a mean intubation interval of only 8.6 days.
(6) The remark evoked a defensive response from those wedded to the ephemeral virtues of the "confidence fairy" – and who are concerned to keep her benevolent figure hovering above Britain's severely weakened economy.
(7) These sera were tested for antibodies against foot-and-mouth disease, bovine herpes virus types 1 and 2, lumpy skin disease, bovine viral diarrhoea, Akabane, bovine ephemeral fever, bluetongue, enzootic bovine leucosis, African horse sickness and African swine fever viruses and Brucella abortus based on the expected species susceptibility.
(8) The effects of abiotic and biotic mortality factors on preimaginal survivorship and the production of adults were investigated for populations of Culex tarsalis Coquillett at a stable foothill breeding site during 1985 and at seven ephemeral breeding sites during 1986.
(9) Before the silicon chip was invented, pen and paper, the printing press and the camera all helped store information for us, ephemerally or for posterity.
(10) Five cattle infected with bovine ephemeral fever virus were necropsied on the day after onset of clinical disease, when clinical signs of lameness were most severe.
(11) Determining heritability not only in nature but in relation to subdivision into ephemeral patches (cladodes in this case) has an important bearing on natural selection response and to general theories of stabilizing selection proposed to explain the existence of genetic variation.
(12) The duration of detectable neutralizing antibody in these birds was found to be ephemeral in some species (e.g., black-capped chickadees) and extremely longlasting in others (e.g., gray catbirds, swamp sparrows).
(13) Bovine ephemeral fever (BEF) virus vaccines, prepared from the brains of suckling mice infected with strain 525 BEF virus, were evaluated in housed cattle and in the field.
(14) Clinical signs of ephemeral fever occurred in four untreated cattle infected at the same time.
(15) Follies plays exquisitely on the unreliability of memory and the ephemerality of theatre; it is a stark warning against the distorting dangers of nostalgia.
(16) Similar sheets of cells were obtained from the cases of SSPE but the only nodules formed were smaller and ephemeral.
(17) In fact, it's getting into longer narratives through a feature called Snapchat Stories, which launched in October as a "fun and ephemeral" way to "share your day with friends – or everyone".
(18) Three adult cattle that had been ataxic for 5 to 7 months and a bull that had been paralysed for 24 days following bovine ephemeral fever infection were studied clinically and pathologically.
(19) Three newborn calves were inoculated intracerebrally with bovine ephemeral fever virus strain 525.
(20) Ten isolations of bovine ephemeral fever virus were made in Aedes albopictus tissue cultures from the blood of 5 clinical cases.
Evanescent
Definition:
(a.) Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys.
(a.) Vanishing from notice; imperceptible.
Example Sentences:
(1) It is based on the selective evanescent field excitation of ligands adsorbed to supported planar bilayers on argon-sputtered glass plates.
(2) The reproducibility of findings on repeated examinations must mean that there is a local anatomical basis for the muscular impressions seen and that such contractions do not represent evanescent peristaltic type activity.
(3) Adult-onset Still's disease is characterized by high spiking fever, evanescent maculopapular rash and arthritis.
(4) As a follow-up of a preliminary trial, the therapeutic results obtained in 40 cases of acute and chronic dermatitis by the topical application of 10-undecen-1-yl-pseudothiourea hydroiodide (AHR-1911) in an evanescent vehicle containing triethanolamine stearate are presented.
(5) Digital ischaemia in the presence of an otherwise well-perfused foot in the non-diabetic patient presents diagnostic problems especially as the manifestations are frequently evanescent.
(6) Recently, we saw a patient with bilateral uveitis, evanescent cranial nerve palsies, and other clinical manifestations suggesting central nervous system and ocular sarcoidosis.
(7) The appropriate diagnosis of this syndrome may be overlooked because its presentation is frequently delayed, and its symptoms and signs are varied and frequently evanescent.
(8) Another young woman developed unilateral multiple evanescent white dot syndrome and central macular lesions typical of acute macular neuroretinopathy that appeared soon after the peripheral macular and juxtapapillary white lesions resolved.
(9) A combination of fluorescence excitation in the evanescent field and fluorescence recovery after photobleaching allowed us to measure the amount of adsorbed fluorescent lysozyme and the equilibrium exchange kinetics with molecules in solution.
(10) This aspect is usually described as "multiple evanescent white dot syndrome".
(11) That is, any water or choline group structure may be evanescent on this time scale.
(12) Lesions in the stomach generally disappeared in several days despite the continuation of stress; some duodenal lesions were equally evanescent, but in 2 monkeys, lesions lasted over a week.
(13) In contrast to these evanescent developmental sites, oxytocin receptors in the bed nucleus of the stria terminalis and the ventromedial nucleus of the hypothalamus only appeared in adulthood, presumably in response to the surge of gonadal steroids at puberty.
(14) The contention of the author is that--instead-sound bio-social principles, easily available from child psychiatry as a field, would provide a dynamic substructure that would not be voguish and evanescent.
(15) Multiple evanescent white-dot syndrome recurred in two men (23 and 44 years of age, respectively).
(16) The depression improved only evanescently after 17 ECT sessions but the hypothalamic-pituitary suppression cleared completely and permanently, based on responses to four metyrapone stress tests in a 2-year follow-up period.
(17) The clinical picture of these cases is differentiated from acute inflammatory diseases primarily involving the retinal pigment epithelium and photoreceptors, and conforms to the multiple evanescent white dot syndrome that has recently been found in residents of the midwest region of the United States of America.
(18) Shifts in extracellular calcium either from high to low concentrations or vice versa elicited similar evanescent increases in expression of mRNA with a peak at 1 h. Synthesis of the peptide seems to be controlled by mRNA expression, and peptide in the medium appears to be continuously degraded or taken up by cells because its concentration in the medium showed a time course similar to that of mRNA expression.
(19) Thus, late potentials were both common and evanescent in patients infected with human immunodeficiency virus.
(20) The derived intensity profiles are used to develop expressions for the shapes of fluorescence photobleaching recovery curves when evanescent interference patterns are used for fluorescence excitation and bleaching.