What's the difference between epoch and time?

Epoch


Definition:

  • (n.) A fixed point of time, established in history by the occurrence of some grand or remarkable event; a point of time marked by an event of great subsequent influence; as, the epoch of the creation; the birth of Christ was the epoch which gave rise to the Christian era.
  • (n.) A period of time, longer or shorter, remarkable for events of great subsequent influence; a memorable period; as, the epoch of maritime discovery, or of the Reformation.
  • (n.) A division of time characterized by the prevalence of similar conditions of the earth; commonly a minor division or part of a period.
  • (n.) The date at which a planet or comet has a longitude or position.
  • (n.) An arbitrary fixed date, for which the elements used in computing the place of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoch March 1st, 1860.

Example Sentences:

  • (1) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (2) The results indicate that the different EEG frequency bands during a given EEG epoch are generated by neural populations in different brain locations.
  • (3) The majority of classes have over 200 discrete epochs.
  • (4) By means of the adaptive estimation of the variance of respiratory movements, an amplitude-time window is calculated to choose between epochs with breaths and apnoea.
  • (5) Speaking in Athens last November, the Italian philosopher Giorgio Agamben discussed an epochal transformation in the idea of government, "whereby the traditional hierarchical relation between causes and effects is inverted, so that, instead of governing the causes – a difficult and expensive undertaking – governments simply try to govern the effects".
  • (6) The effect was chiefly on the frequency of state changes and less on epoch durations.
  • (7) The author rejects the proposition, encountered in some parts of the psychoanalytic and social-science literature, that certain types of disturbances correspond to certain epochs or forms of society.
  • (8) In overt schizophrenics, late epoch stability was low in all EPs.
  • (9) EPOCH was administered intravenously once a week with the dosage of 3,000-9,000 IU for 8 weeks.
  • (10) The prolonged neurophysiological effects of stimulation may allow the use of maximum effective intervals between optimal epochs of stimulation so that any cerebellar damage can be minimized.
  • (11) Median heart and respiratory rate, respiratory variability, and median extent of three types of heart rate variation were determined for each epoch, and the minute-by-minute correlations between seven pairs of parameters were determined for quiet sleep, rapid eye movement sleep, and waking in each recording.
  • (12) The short-term variability of the selected EEG measures and their suitability as a sample estimate were assessed by computing the coefficient of variation from all selected epochs of a given subject at baseline.
  • (13) But what use are such skills when addressing the enormity of this new epoch?
  • (14) It is argued that, during the first two and last periods, all quantities of genetic interest, such as the gametic frequencies, the mean fitness, the linkage disequilibrium, and the linkage disequilibrium ratio, Z, change with time in essentially the same manner, characteristic of the particular epoch concerned and determined in this paper, and therefore, when quasilinkage equilibrium occurs, it is a transitional phenomenon.
  • (15) Evidence for the hypothesis was found only during the EEG-epoch one second before the answer.
  • (16) The automatic analysis scored fewer epochs as stages wake, rapid eye movement (REM), and 2 and more as stages 1, 3, and 4.
  • (17) Finally, an epoch by epoch analysis is described, with the aim of achieving a more detailed evaluation of the intergroup variability.
  • (18) In the first set of experiments (n = 8), placebo or CS (30 mg) was given, followed by four 15-min epochs of alveolar hypoxia (8% O2, 5% CO2, 87% N2) each separated by 30 min of alveolar normoxia (21% O2).
  • (19) Two averaging strategies were assessed: (1) averaging the entire pre- and poststimulus epoch point for point across individuals and (2) averaging the voltage of Pa at the latency of Pa for each individual.
  • (20) Finally, it is demonstrated that the probability of a false-positive decision may increase by an order of magnitude if the Rayleigh test is not performed once, for a fixed number of epochs specified in advance, but is carried out repeatedly during an ongoing experiment until either one of the tests indicates the presence of an evoked response or the upper limit for the number of epochs is exceeded.

Time


Definition:

  • (n.) Duration, considered independently of any system of measurement or any employment of terms which designate limited portions thereof.
  • (n.) A particular period or part of duration, whether past, present, or future; a point or portion of duration; as, the time was, or has been; the time is, or will be.
  • (n.) The period at which any definite event occurred, or person lived; age; period; era; as, the Spanish Armada was destroyed in the time of Queen Elizabeth; -- often in the plural; as, ancient times; modern times.
  • (n.) The duration of one's life; the hours and days which a person has at his disposal.
  • (n.) A proper time; a season; an opportunity.
  • (n.) Hour of travail, delivery, or parturition.
  • (n.) Performance or occurrence of an action or event, considered with reference to repetition; addition of a number to itself; repetition; as, to double cloth four times; four times four, or sixteen.
  • (n.) The present life; existence in this world as contrasted with immortal life; definite, as contrasted with infinite, duration.
  • (n.) Tense.
  • (n.) The measured duration of sounds; measure; tempo; rate of movement; rhythmical division; as, common or triple time; the musician keeps good time.
  • (v. t.) To appoint the time for; to bring, begin, or perform at the proper season or time; as, he timed his appearance rightly.
  • (v. t.) To regulate as to time; to accompany, or agree with, in time of movement.
  • (v. t.) To ascertain or record the time, duration, or rate of; as, to time the speed of horses, or hours for workmen.
  • (v. t.) To measure, as in music or harmony.
  • (v. i.) To keep or beat time; to proceed or move in time.
  • (v. i.) To pass time; to delay.

Example Sentences:

  • (1) In April, they said the teenager boarded a flight to Turkey with his friend Hassan Munshi, also 17 at the time.
  • (2) Neuromedin B (C50 6 x 10(-12) M) was 3 times less potent than bombesin-14.
  • (3) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
  • (4) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
  • (5) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
  • (6) For some time now, public opinion polls have revealed Americans' strong preference to live in comparatively small cities, towns, and rural areas rather than in large cities.
  • (7) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
  • (8) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
  • (9) Van Persie's knee injury meant that Mata could work in tandem with the delightfully nimble Kagawa, starting for the first time since 22 January.
  • (10) Cantact placing reaction times were measured in cats which were either restrained in a hammock or supported in a conventional way.
  • (11) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
  • (12) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
  • (13) An effective graft-surveillance protocol needs to be applicable to all patients; practical in terms of time, effort, and cost; reliable; and able to detect, grade, and assess progression of lesions.
  • (14) At the early phase of the sensitization a T-cell response was seen in vitro, characterized by an increased spleen but no peripheral blood lymphocyte reactivity to T-cell mitogens at the same time as increased reactivity to the sensitizing antigen was detected.
  • (15) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
  • (16) ), the concentration of AMPO in the hypothalamus was 5.4 times the concentration at 20 h after one injection.
  • (17) Trifluoroacetylated rabbit serum albumin was 5 times more reactive with these antibodies and thus more antigenic than the homologous acetylated moiety confirming the importance of the trifluoromethyl moiety as an epitope in the immunogen in vivo.
  • (18) The time of observation varied between 2 and 17 years.
  • (19) Lp(a) also complexes to plasmin-fibrinogen digests, and binding increases in proportion to the time of plasmin-induced fibrinogen degradation.
  • (20) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.