What's the difference between condense and rarefy?

Condense


Definition:

  • (v. t.) To make more close, compact, or dense; to compress or concentrate into a smaller compass; to consolidate; to abridge; to epitomize.
  • (v. t.) To reduce into another and denser form, as by cold or pressure; as, to condense gas into a liquid form, or steam into water.
  • (v. i.) To become more compact; to be reduced into a denser form.
  • (v. i.) To combine or unite (as two chemical substances) with or without separation of some unimportant side products.
  • (v. i.) To undergo polymerization.
  • (a.) Condensed; compact; dense.

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) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
  • (3) The propionyl-CoA condensing enzyme which catalyzes the first step in the biosynthesis of 2-methylbutyrate and 2-methylvalerate by Ascaris muscle appears to exist in at least three forms in the mitochondria of this parasitic nematode.
  • (4) Because the contour length of these loops was proportionate to the DNA content of the superinfecting lambda phage, it was concluded that the fibers contained DNA condensed 6.5-fold in blocks of about 250 base pairs.
  • (5) Allyl 4-O-benzyl-alpha-L-rhamnopyranoside was converted into allyl 4-O-benzyl-3-O-methyl-alpha-L-rhamnopyranoside and this was condensed with 2,3,4-tri-O-acetyl-alpha-L-rhamnopyranosyl chloride to give a disaccharide derivative which was converted into allyl 4-O-benzyl-2-O-(2,3-O-isopropylidene-alpha-L-rhamnopyranosyl)-3-O-methyl -alpha- L-rhamnopyranoside.
  • (6) Moderately dense fragments are interpreted as originating from dying cells in which the cytoplasm is undergoing condensation.
  • (7) In the scope of our research about the antimicrobial activity of aldehyde-amin-condensates a number of partly new unsymmetrically substituted animals was synthesized by reaction of formaldehyde with different secondary amines.
  • (8) They are thought to represent condensations of dense bodies in degenerating tumor cells.
  • (9) The blood lymphocytes were small with scanty cytoplasm, densely condensed nuclear chromatin, and deep clefts originating in sharp angles from the nuclear surface.
  • (10) The 2-substituted phenoxy-6-methoxy-8-aminoquinolines (4-6) were afforded by reduction of the corresponding 8-nitroquinolines (1-3) which were obtained by condensation of 2-chloro-6-methoxy-8-nitroquinoline and substituted phenols.
  • (11) Both main-stream and side-stream cigarette smoke condensates and some fractions, containing water-soluble bases, water-insoluble bases, and polycyclic aromatic hydrocarbons, were found to induce AHH activity in lung and liver, the lung being induced to the greatest extent.
  • (12) Ultrastructurally, transgenic domains were often intimately connected with constitutive heterochromatin and were highly condensed.
  • (13) This paper describes a new method of condensation (focusing) of extended volumes of mixtures of proteins (or other ampholytes) into an isoelectric spectrum of discrete zones located at points of a pH gradient corresponding to the pI value of the individual proteins.
  • (14) 4, 323-340, 1978) has a ts defect in its regulatory mechanism for the initiation of chromosome condensation, the so-called, premature chromosome condensation (PCC) being induced at a nonpermissive temperature (Nishimoto, T. et al.
  • (15) Chemical analysis of the smoke concensate of bidis and cigarettes showed that condensate from bidis had a higher benzo[a]pyrene level than was observed in cigarette smoke condensate, when compared on the basis of the mass (mg) burnt.
  • (16) On very rare occasions there is missorting such that aggregates of condensed secretory proteins and viruses occur together in post-Golgi vesicles.
  • (17) The reductions are carried out at the nanogram to microgram level with borane, reacting the solid sample with condensed reagent vapor.
  • (18) These data suggest that the main route for the formation of the carbon skeleton of aspartate was by a C(3) plus C(1) condensation, with the C(3) unit derived from the isopropyl carbons of valine and the C(1) unit probably from carbon dioxide.
  • (19) Once an apical hard tissue barrier is formed, a permanent root canal filling can be safely condensed.
  • (20) While the antiserum against gamma 3-MSH labelled all the secretory granules including intrasaccular condensations in the Golgi apparatus, antisera against alpha-MSH only labelled extra-Golgi secretory vesicles (SV).

Rarefy


Definition:

  • (v. t.) To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.
  • (v. i.) To become less dense; to become thin and porous.

Example Sentences:

  • (1) The 6410t cells were shown to bind specifically this factor and react to it by proliferation in the conditions of rarefied inoculation.
  • (2) An initial reaction of mononuclear cells, activated fibroblasts, and some giant cells of foreign body type in the surrounding connective tissue is followed by the development of a fibrous capsule rarefied by cells around the implant in the time up to 3 months.
  • (3) As half an hour of vox-poppery proves, this is also a place where the supposedly rarefied issue of electoral reform may actually come up on the proverbial doorstep.
  • (4) Fluorescein angiography demonstrated slight hyperfluorescence through rarefied retinal pigment epithelium but no leakage occurred from perifoveal retinal capillaries.
  • (5) Bone-destructive inflammatory processes (rarefying osteitis) were the most frequently encountered lesions, occurring in both the maxilla and the mandible.
  • (6) Their genuine disregard for the clichés of being in a band means conversation is relaxed, while their rarefied wealth of music, film and TV geekery makes for good gags.
  • (7) Nerves injected with demyelinating serum contained oligodendrocytes with pyknotic nuclei and edematous, rarefied cytoplasm.
  • (8) "Due to uncertainties in predicting the rarefied atmosphere at these very high altitudes, the accuracy of re-entry prediction is of the order of 10% of the remaining lifetime, so even on the last orbit revolution (90 minutes), there is a nine-minute prediction uncertainty.
  • (9) He didn’t inhabit rarefied social circles or drive a Bentley.
  • (10) Electron-microscopic examination revealed capillary engorgement with erythrocytes that appeared adherent to each other and contained entrapped areas of rarefied material.
  • (11) As evidenced from experiments on rats, a combined application of apressin with obsidan and diprazine, and also of adenozine with nicotine-amidadenine-dinucleotide (NAD), as well as of adeozine with nicotine amide potentiates the protective effect of these substances in hypobaric hypoxia, increases the resistance of the animals to cerebral ischemia, brings down the excess lactate level and raises the redoz potential of the system lactic-acid-pyruvic acid in the brain of rats exposed to the effects of rarefied atmosphere.
  • (12) Fibrillar and flocculent deposits were seen in the widened and rarefied subendothelial space in a small artery and two glomeruli, one of which also contained electron-dense deposits.
  • (13) I don't mean literature is obscure or rarefied or precious – that's no test of a book – rather it is operating on a different level to our everyday exchanges of information and conversation.
  • (14) The authors found that the median portion of chiasma is a weak point of microcirculation, as demonstrated by rarefied and transverse capillaries.
  • (15) In 90 days of Hk reduction of the capillaries is recorded, rarefied pericapillary network prevails, twistedness of the capillaries is clearly manifested, their complex branching decreases.
  • (16) The white matter showed a rarefied texture with widely dispersed nerve fiber tracts, volume expansion, and occasional cyst formation.
  • (17) Histopathologic findings included rarefied white matter with pyknotic nuclei and eosinophilic cytoplasm.
  • (18) However, looking at the neat rows of symbols made me reflect on how rarefied this sort of data can seem when summarised for a national website.
  • (19) No compensatory rarefying of acid discharge from the stomach, that was observed in reference subjects if transport of contents was accelerated, was detectable in the patients with ulcerative colitis.
  • (20) Microscopic sections of the skin revealed a thickened dermis with shortened and rarefied elastic fibers.