What's the difference between group and mass?

Group


Definition:

  • (n.) A cluster, crowd, or throng; an assemblage, either of persons or things, collected without any regular form or arrangement; as, a group of men or of trees; a group of isles.
  • (n.) An assemblage of objects in a certain order or relation, or having some resemblance or common characteristic; as, groups of strata.
  • (n.) A variously limited assemblage of animals or plants, having some resemblance, or common characteristics in form or structure. The term has different uses, and may be made to include certain species of a genus, or a whole genus, or certain genera, or even several orders.
  • (n.) A number of eighth, sixteenth, etc., notes joined at the stems; -- sometimes rather indefinitely applied to any ornament made up of a few short notes.
  • (n.) To form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an assemblage of.

Example Sentences:

  • (1) A group of interested medical personnel has been identified which has begun to work together.
  • (2) Once treatment began, no significant changes occurred in Group 1, but both PRA and A2 rose significantly in Groups 2 and 3.
  • (3) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
  • (4) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (5) after operation for hip fracture, and merits assessment in other high-risk groups of patients.
  • (6) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
  • (7) 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.
  • (8) Urinary ANF immunoreactivity was significantly enhanced by candoxatril in both groups (P less than 0.05 and P less than 0.01 in groups 1 and 2, respectively), with a more pronounced effect evident at the higher dose (P less than 0.01).
  • (9) The second group only with Haloperidol (same dose).
  • (10) A change in the pattern of care of children with IDDM, led to a pronounced decrease in hospital use by this patient group.
  • (11) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (12) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
  • (13) A group I subset (six animals), for which predominant cultivable microbiota was described, had a mean GI of 2.4.
  • (14) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
  • (15) Between 22 HLA-identical siblings and 16 two-haplotype different siblings, a significant difference in concordance of reactions for the B-cell groups was noted.
  • (16) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
  • (17) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
  • (18) Biden will meet with representatives from six gun groups on Thursday, including the NRA and the Independent Firearms Owners Association, which are both publicly opposed to stricter gun-control laws.
  • (19) Another interested party, the University of Miami, had been in talks with the Beckham group over the potential for a shared stadium project.
  • (20) However, the groups often paused less and responded faster than individual rats working under identical conditions.

Mass


Definition:

  • (n.) The sacrifice in the sacrament of the Eucharist, or the consecration and oblation of the host.
  • (n.) The portions of the Mass usually set to music, considered as a musical composition; -- namely, the Kyrie, the Gloria, the Credo, the Sanctus, and the Agnus Dei, besides sometimes an Offertory and the Benedictus.
  • (v. i.) To celebrate Mass.
  • (n.) A quantity of matter cohering together so as to make one body, or an aggregation of particles or things which collectively make one body or quantity, usually of considerable size; as, a mass of ore, metal, sand, or water.
  • (n.) A medicinal substance made into a cohesive, homogeneous lump, of consistency suitable for making pills; as, blue mass.
  • (n.) A large quantity; a sum.
  • (n.) Bulk; magnitude; body; size.
  • (n.) The principal part; the main body.
  • (n.) The quantity of matter which a body contains, irrespective of its bulk or volume.
  • (v. t.) To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble.

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) Blood samples were analysed by mass spectroscopy and gas chromatography.
  • (3) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
  • (4) 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.
  • (5) The clinically normotensive cases had greater left ventricular mass than the normotensive controls (p less than 0.02).
  • (6) CT scan revealed a small calcified mass in the right maxillary sinus.
  • (7) The article describes an unusual case with development of a right anterior mediastinal mass after bypass surgery with internal mammary artery grafts.
  • (8) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
  • (9) The groups were matched with regard to sex, age and body mass index.
  • (10) Based on the deduced amino acid sequence, rpL8 has a mass of 28,605 Da, a pI of 11.97, and contains 9.6% Arg and 11.9% Lys.
  • (11) All masses had either histologic confirmation (n = 11) or confirmation with other imaging modalities (n = 4).
  • (12) A neonate without external malformation had undergone removal of a nasopharyngeal mass containing anterior and posterior pituitary tissue.
  • (13) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (15) This can be achieved by sincere, periodic information through the mass media.
  • (16) However, the effects of such large-scale calvarial repositioning on subsequent brain mass growth trajectories and compensatory cranio-facial growth changes is unclear.
  • (17) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
  • (18) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
  • (19) Variability (CV = 0.7%) in body volume of a 45-year-old reference man measured by SH method was very similar to variation (CV = 0.6%) in mass volume of the 60-1 prototype.
  • (20) The masses were solitary and located in the retroperitoneum (five cases), mediastinum (one case), and axilla (one case).