What's the difference between main and primary?

Main


Definition:

  • (n.) A hand or match at dice.
  • (n.) A stake played for at dice.
  • (n.) The largest throw in a match at dice; a throw at dice within given limits, as in the game of hazard.
  • (n.) A match at cockfighting.
  • (n.) A main-hamper.
  • (v.) Strength; force; might; violent effort.
  • (v.) The chief or principal part; the main or most important thing.
  • (v.) The great sea, as distinguished from an arm, bay, etc. ; the high sea; the ocean.
  • (v.) The continent, as distinguished from an island; the mainland.
  • (v.) principal duct or pipe, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main.
  • (a.) Very or extremely strong.
  • (a.) Vast; huge.
  • (a.) Unqualified; absolute; entire; sheer.
  • (a.) Principal; chief; first in size, rank, importance, etc.
  • (a.) Important; necessary.
  • (a.) Very; extremely; as, main heavy.

Example Sentences:

  • (1) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (2) Aggregation was more frequent in low-osmolal media: mainly rouleaux were formed in ioxaglate but irregular aggregates in non-ionic media.
  • (3) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
  • (4) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (5) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
  • (6) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (7) In schizophrenic patients the density of dopamine uptake sites in the basal ganglia was slightly reduced, mainly in the middle third of putamen.
  • (8) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
  • (9) Immunofluorescence analysis of Pr-28 antigen showed that the antigen was localized mainly in perinuclear cytoplasm.
  • (10) The main result of the correspondence analysis is a geometric map of this relationship showing how the relative frequencies of headache types change with age.
  • (11) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
  • (12) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
  • (13) Statistically significant differences were found mainly in the randomized trial, where during the first and second years, respectively, adenoidectomy subjects had 47% and 37% less time with otitis media than control subjects and 28% and 35% fewer suppurative (acute) episodes than control subjects.
  • (14) One of the main components was confirmed to be caffeic acid which had inhibitory effect on renal failure in mice by Ac1-P.
  • (15) In four main regions the conservation varied from 83-91% while in the remaining regions the homology dropped to between 56-62%.
  • (16) In the caudal spinal trigeminal nucleus (Vc), the collaterals of one half of the periodontium afferent fibers terminated mainly in lamina V at the rostral and middle levels of Vc.
  • (17) Loratadine has one main metabolite, descarbethoxyloratadine, which is four times more active than the parent drug.
  • (18) The structures of 1 and 2 were established mainly on the basis of nmr spectroscopic data.
  • (19) The main clinical symptom was pain, usually sciatica, while neurological symptoms were less common than they are in adults.
  • (20) Possibilities to achieve this both in the curative and the preventive field are restricted mainly due to the insufficient knowledge of their etiopathogenesis.

Primary


Definition:

  • (a.) First in order of time or development or in intention; primitive; fundamental; original.
  • (a.) First in order, as being preparatory to something higher; as, primary assemblies; primary schools.
  • (a.) First in dignity or importance; chief; principal; as, primary planets; a matter of primary importance.
  • (a.) Earliest formed; fundamental.
  • (a.) Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement.
  • (n.) That which stands first in order, rank, or importance; a chief matter.
  • (n.) A primary meeting; a caucus.
  • (n.) One of the large feathers on the distal joint of a bird's wing. See Plumage, and Illust. of Bird.
  • (n.) A primary planet; the brighter component of a double star. See under Planet.

Example Sentences:

  • (1) The only other evidence of Kopachi's existence is the primary school near the memorial.
  • (2) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
  • (3) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (4) Two cases with primary Carcinoma in situ (Cis) were treated with the same protocol.
  • (5) Taken together these results are consistent with the view that primary CTL, as well as long term cloned CTL cell lines, exercise their cytolytic activity by means of perforin.
  • (6) Community involvement is a key element of the Primary Health Care (PHC) approach, and thus an essential topic on a course for managers of Primary Health Care programmes.
  • (7) These findings raise questions regarding the efficacy of medical school curriculum in motivating career choices in primary care.
  • (8) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (9) The blockade of H2 receptors is the primary action of these drugs; however, they possess also secondary actions which may represent untoward effects but in some cases may be actually useful (increase in prostaglandin synthesis, inhibition of LTB4 synthesis, etc.)
  • (10) For related pairs, both the primes (first pictures) and targets (second pictures) varied in rated "typicality" (Rosch, 1975), being either typical or relatively atypical members of their primary superordinate category.
  • (11) Determination of the primary structure for factor V has provided the basis for examination of structure-function relationships.
  • (12) The 36-year-old teacher at an inner-city London primary school earns £40,000 a year and contributes £216 a month to her pension.
  • (13) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
  • (14) The move would require some secondary legislation; higher fines for employers paying less than the minimum wage would require new primary legislation.
  • (15) Valvular stenoses of the bronchi and especially of the bronchioles in various types of primary pulmonary disease are of considerable importance etiologically.
  • (16) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
  • (17) Of the 622 people interviewed, a large proportion (30.5%) believed that the first deciduous tooth should erupt between the age of 5-7 months; the next commonly mentioned time of tooth eruption was 7-9 months of age; and 50.3% of the respondents claimed to have seen a case of prematurely erupted primary teeth.
  • (18) In the triploids, the 40 female chromosomes present (mouse, n = 20) were derived from a single diploid pronucleus formed after the extrusion of a first polar body, and following the monospermic fertilization of primary oocytes.
  • (19) Subthreshold concentrations of the drug to induce complete blockade (5 x 10(-8)M) allowed to observe a greater depression of bioelectric cell characteristics in primary than in transitional fibres.
  • (20) Therefore, the measurement of the alpha-antitrypsin content plays the crucial part in differential diagnosis of primary (hereditary determined) and secondary (obstructive) emphysema.