What's the difference between division and summation?

Division


Definition:

  • (n.) The act or process of diving anything into parts, or the state of being so divided; separation.
  • (n.) That which divides or keeps apart; a partition.
  • (n.) The portion separated by the divining of a mass or body; a distinct segment or section.
  • (n.) Disunion; difference in opinion or feeling; discord; variance; alienation.
  • (n.) Difference of condition; state of distinction; distinction; contrast.
  • (n.) Separation of the members of a deliberative body, esp. of the Houses of Parliament, to ascertain the vote.
  • (n.) The process of finding how many times one number or quantity is contained in another; the reverse of multiplication; also, the rule by which the operation is performed.
  • (n.) The separation of a genus into its constituent species.
  • (n.) Two or more brigades under the command of a general officer.
  • (n.) Two companies of infantry maneuvering as one subdivision of a battalion.
  • (n.) One of the larger districts into which a country is divided for administering military affairs.
  • (n.) One of the groups into which a fleet is divided.
  • (n.) A course of notes so running into each other as to form one series or chain, to be sung in one breath to one syllable.
  • (n.) The distribution of a discourse into parts; a part so distinguished.
  • (n.) A grade or rank in classification; a portion of a tribe or of a class; or, in some recent authorities, equivalent to a subkingdom.

Example Sentences:

  • (1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
  • (2) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (3) Chapter one Announcement of the Islamic Caliphate The announcement of the renewal of the caliphate in Iraq in the year 1427AH [2006] was the arbiter between division and separation as well as the glory of the Muslims.
  • (4) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
  • (5) Further study both of the signaling events that lead to MPF activation and of the substrates for phosphorylation by MPF should lead to a comprehensive understanding of the biochemistry of cell division.
  • (6) Whereas the growth and division of normal cells is carefully regulated to meet the needs of the body, tumor cells proliferate autonomously and continually, eventually interfering with and destroying the functions of normal tissue.
  • (7) Tuberclebacilli did not stimulate macrophage division.
  • (8) But on June 29, 2011, Lois G Lerner, who heads the IRS division that oversees tax-exempt organizations, learned at a meeting that groups were being targeted, according to the watchdog's report.
  • (9) Cause-specific mortality comparisons were also made among the employment subgroups and by duration of employment in the company division using an internal analysis method.
  • (10) Postoperative examination revealed division of accessory pathway and no regurgitation of mitral prosthesis.
  • (11) The Disability Division of ActionAid-India supports 38 non-governmental organisations involved in disability programmes in India.
  • (12) This column is located ventral and lateral to the dorsolateral division of the trigeminal motor nucleus, and just medial to the descending trigeminal nerve rootlets.
  • (13) The retail and wholesale divisions powered the improved profits.
  • (14) From these results we concluded that the mutants have some defect in cell division after low doses of UV irradiation, similar to the lon(-) or fil(+) mutant of E. coli.
  • (15) The cellular groups of the medial zone together with the tuberomammillary nucleus groups of the medial zone together with the tuberomammillary nucleus (TUMM) are positioned at the interface between the lateral and the medial hypothalamus, and form an array of cellular groups indicated in our study as the intermediate division of the hypothalamus.
  • (16) In the meantime, the proliferation of salmonellae appeared to occur extracellularly in the peritoneal cavity as evidenced by their division.
  • (17) Hybrids obtained following fusion of normal human diploid fibroblasts with different immortal human cell lines exhibited limited division potential.
  • (18) An expanded version of this paper, containing full experimental details of the semisynthesis and characterization of [GlyA1-3H]insulin, has been deposited as Supplementary Publication SUP 50129 (30 pages) at the British Library (Lending Division), Boston Spa, Wetherby, West Yorkshire LS23 7BQ, U.K., from whom copies can be obtained on the terms indicated in Biochem.
  • (19) Anti-IgM antibodies also induced DNA synthesis of PBL-B, but their ability to induce cell division was less than that of anti-IgD antibodies even when used in combination with IL-4.
  • (20) The Tea Party movement has turned climate denial into a litmus test of conservative credentials – and that has made climate change one of the most sharp divisions between Obama and Romney.

Summation


Definition:

  • (v. t.) The act of summing, or forming a sum, or total amount; also, an aggregate.

Example Sentences:

  • (1) Alphaxalone and endogenous steroid hormone metabolites inhibit the binding of [35S]-t-butyl bicyclophosphorothionate in some regions, enhance it in others and give biphasic concentration-dependence in others, apparently the result of algebraic summation of two effects involving regional-dependent enhancement or inhibition.
  • (2) This suggests that the curvature of the xenon clearance curve is the result of recording the summation of the activities from the alveoli and the pulmonary blood and not, as previously described, due to the existence of two different sub-populations of alveoli.
  • (3) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
  • (4) The computer system was a hybrid of analog devices (tape-recorder, voltage summator, and high-pass filters) and a multipurpose laboratory digital device (PDP-12).
  • (5) Spatial summation was found to decrease by 30-50% as the cell was light-adapted to a threshold some 4 log units above the dark-adapted one.
  • (6) The findings strongly suggest the existence of spatial summation of the effects from GM and TA muscle at the level of a single interneuronal pool.
  • (7) The parameters mainly related to temporal summation are not different between various electrode configurations.
  • (8) Therefore, anopic observers usually need a very large amount of spatial summation to arrive at a well defined match of the projection anomaloscope.
  • (9) This model corresponds to quadratic summation of the stimulus followed by a random threshold device.
  • (10) Consequently, the slow repolarization transients of succeeding receptor potentials displayed temporal summation.
  • (11) Thus the relation of neuron geometry to aspects of spatiotemporal summation of synaptic inputs can be investigated readily.
  • (12) The summation of findings suggests that endogenous substance P plays a complementary role in the regulation of parasympathetic nerve-induced fluid secretion in the acinus but is minimally involved in degranulation from granular duct cells.
  • (13) These estimates can be summated to provide total ventricular and total brain volumes.
  • (14) This effect of parathyroid hormone, which appears to involve more than simple physiologic summation, may have important clinical implications.
  • (15) At frequencies above 15 Hz the SETi-evoked contraction dominates tension development, though IR summates with it during the rising phase.
  • (16) At reoperation because of dehiscence and hematoma interval between two operation is very short so we have got present not only hypovolemia but also summation effect of used anesthetic and plasma expander.
  • (17) The stimulant effects of amantadine and d-amphetamine summated but did not interact, response rates after d-amphetamine being augmented by pretreatment with amantadine except at intervals at which amantadine was by itself depressant.
  • (18) The laminar pattern of current sources and sinks coincident with this component was more complicated after bicuculline, reflecting the summation of current flows associated with disinhibited lamina 4 activity.
  • (19) The cochlear summating potential (SP) preceding the auditory nerve compound action potential (AP) was elicited by broadband alternating condensation and rarefaction clicks and recorded by noninvasive electrodes from the external auditory meatus (EAM) of 60 volunteers of both sexes, 12 to 67 years old, who had normal hearing for age.
  • (20) It is wiser, in the light of results reporting individual differences in the existence and extent of the paradox, and its sensitivity to stimulus conditions, to side with Blake and Fox (1973) when they observed that it is not unreasonable to suppose that various stimulus conditions might yield varying amounts of summation or even inhibition.