What's the difference between ephemeral and momentary?

Ephemeral


Definition:

  • (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.

Momentary


Definition:

  • (a.) Done in a moment; continuing only a moment; lasting a very short time; as, a momentary pang.

Example Sentences:

  • (1) Agüero tried to retreive the situation – proof that City had more than enough finishers on hand to take advantage of momentary Burnley disarray – though, forced away from goal, he shot from a narrow angle and missed the target.
  • (2) The horizontal changes of the other points analyzed as well as all vertical changes are not predicted satisfactorily in the momentary version 4.22 A (febr.
  • (3) These analyses unmasked unique attributes of spontaneous LH secretory events, which were represented as delimited momentary augmentations in endogenous LH secretory rates interspersed among intervals of relative secretory quiescence.
  • (4) Results indicate that momentary DRO maintained response suppression comparable to that obtained by whole-interval DRO.
  • (5) In the epicortical recordings, the development of a new focus is indicated by a functional uncoupling between the superficial layers of the cortical area to be involved and the momentary active focus.
  • (6) All this reached its apogee in 1987, with the sleeve art for Pink Floyd's A Momentary Lapse of Reason .
  • (7) Responses which identified the momentary state of the display were food-reinforced, while those which did not (errors) produced time out.
  • (8) I remember most vividly, as the prey was seized, how one lazuline wing fell outwards like a flag; the hobby's wings seemed to chop and paddle and there was this momentary drama-less inelegance to it, then the falcon swept the victim back into the peerless symmetry of its going, and all was done.
  • (9) Reducing MDx production or the repair period, or accelerating the creation of new modeling units would have the opposite effects on the momentary MDx burden but would also go through a transient phase before developing the new steady state conditions.
  • (10) Previous studies have shown that momentary contact between a methylmethacrylate intraocular lens and the corneal endothelial cells results in extensive cell damage.
  • (11) The momentary entry of urine into the proximal urethra during coughing can be demonstrated by a new test which can be conducted using apparatus now commonly available for urodynamic investigations.
  • (12) In that momentary pause my nerves bubbled up in my chest.
  • (13) How about: 'Fuck off you fucking…'" Cue momentary alarm before, thankfully, his face relaxes and he laughs out loud.
  • (14) It is argued that in schizophrenia a core deficit in momentary processing capacity underlies the above performance pattern.
  • (15) Palatabilities and also satieties are assumption-loaded abstractions from the observable momentary causal relationships between eating or drinking and the situations in which it occurs.
  • (16) After successful colposuspension, the proximal urethra is exposed to compression against the symphysis pubis by the momentary descent of the pelvic viscera during physical effort.
  • (17) Most television, to which talented, energetic people devoted months or years of their lives, has left momentary imprints on our retinas and slightly less momentary imprints on our brains before vanishing into the ether.
  • (18) The further computation of the EEG time series after DHT results in the time series of the momentary power and the momentary frequency.
  • (19) The approach through a left thoracotomy gave good exposure and momentary cessation of cardiopulmonary bypass made ligation of the calcified ductus possible.
  • (20) A system for measuring oxygen consumption from momentary respiratory values of free moving person is described.