What's the difference between although and while?

Although


Definition:

  • (conj.) Grant all this; be it that; supposing that; notwithstanding; though.

Example Sentences:

  • (1) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
  • (2) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
  • (3) Although measurements are easily obtained with a tape measure, the validity of these measurements is not known.
  • (4) Ursodeoxycholate was the only dihydroxy bile salt which was able to solubilize phospholipid (although not cholesterol) below the critical micellar concentration.
  • (5) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
  • (6) Although antihistamines are widely used for symptomatic treatment of seasonal (allergic) rhinitis, the role of histamines in the pathogenesis of infectious rhinitis is not clear.
  • (7) Historical analysis shows that institutions and special education services spring from common, although not identical, societal and philosophical forces.
  • (8) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
  • (9) Although lorazepam and haloperidol produced an equivalent mean decrease in aggression, significantly more subjects who received lorazepam had a greater decrease in aggression ratings than haloperidol recipients; this effect was independent of sedation.
  • (10) Thus, our study confirmed that male subjects with a history of testicular maldescent have an increased risk for testis cancer, although the magnitude of this risk was lower than suggested previously.
  • (11) Although MR imaging can accurately show high-grade chondromalacia patellae, it is less accurate in the detection of low-grade disease.
  • (12) Regression curves indicate that although all three types of pulmonary edema can be characterized by slightly different slopes, the differences are statistically insignificant.
  • (13) According to some reports as many as 30 people were killed in the explosion, although that figure could not be independently confirmed.
  • (14) Although the longest period required for resolving weakness was three days, the MRI, the CT and the electroencephalogram revealed no significant abnormality.
  • (15) By the 1860s, French designs were using larger front wheels and steel frames, which although lighter were more rigid, leading to its nickname of “boneshaker”.
  • (16) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
  • (17) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
  • (18) Addition of extracellular mevalonate led to a concentration-dependent fall in both processes, although a higher concentration was required to produce the same effect on LDL degradation as on HMG-CoA reductase activity.
  • (19) Although the relative contributions of different fuels varies greatly in different organisms, in none is there a simple reliance on stored ATP.
  • (20) The base materials caused more pulpal inflammation than the control material, Kalzinol, although by an indirect mechanism.

While


Definition:

  • (n.) Space of time, or continued duration, esp. when short; a time; as, one while we thought him innocent.
  • (n.) That which requires time; labor; pains.
  • (v. t.) To cause to pass away pleasantly or without irksomeness or disgust; to spend or pass; -- usually followed by away.
  • (v. i.) To loiter.
  • (conj.) During the time that; as long as; whilst; at the same time that; as, while I write, you sleep.
  • (conj.) Hence, under which circumstances; in which case; though; whereas.
  • (prep.) Until; till.

Example Sentences: