What's the difference between time and undertime?

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.