What's the difference between divide and subtract?
Divide
Definition:
(v. t.) To part asunder (a whole); to sever into two or more parts or pieces; to sunder; to separate into parts.
(v. t.) To cause to be separate; to keep apart by a partition, or by an imaginary line or limit; as, a wall divides two houses; a stream divides the towns.
(v. t.) To make partition of among a number; to apportion, as profits of stock among proprietors; to give in shares; to distribute; to mete out; to share.
(v. t.) To disunite in opinion or interest; to make discordant or hostile; to set at variance.
(v. t.) To separate into two parts, in order to ascertain the votes for and against a measure; as, to divide a legislative house upon a question.
(v. t.) To subject to arithmetical division.
(v. t.) To separate into species; -- said of a genus or generic term.
(v. t.) To mark divisions on; to graduate; as, to divide a sextant.
(v. t.) To play or sing in a florid style, or with variations.
(v. i.) To be separated; to part; to open; to go asunder.
(v. i.) To cause separation; to disunite.
(v. i.) To break friendship; to fall out.
(v. i.) To have a share; to partake.
(v. i.) To vote, as in the British Parliament, by the members separating themselves into two parties (as on opposite sides of the hall or in opposite lobbies), that is, the ayes dividing from the noes.
(n.) A dividing ridge of land between the tributaries of two streams; a watershed.
Example Sentences:
(1) The study of cellular cyclic AMP level in response to extracellular adenosine stimulation in dividing cells and quiescent cells showed that cells in defined medium had a lower extent of response to adenosine compared to cells cultured in serum-containing medium.
(2) In high concentrations of antiserum, some of the agglutinated cells of L. h. hertigi were enlarged and showed syncytial characters that included up to five nuclei, two dividing nuclei and five basal bodies associated with a single kinetoplast.
(3) We studied the effect of low-dose intrathecal morphine (0.00-0.20 mg) on pain relief and the incidence of side effects after cholecystectomy in 139 patients divided into eight groups according to intrathecal morphine dose: groups 1 (0.00 mg), 2 (0.04 mg), 3 (0.06 mg), 4 (0.08 mg), 5 (0.10 mg), 6 (0.12 mg), 7 (0.15 mg), and 8 (0.20 mg).
(4) The ACoA branches were divided into the small and the large.
(5) lengths with the subjects equally divided into these four groups: distributed trials, distributed sessions; distributed trials, massed sessions; massed trials, distributed sessions; and massed trials, massed sessions.
(6) 310 patients with acute infantile gastroenteritis were divided into 2 groups.
(7) Patients were divided into two groups: poor outcome, defined by the death or a post-operative Karnofsky index less than or equal to 70 (n = 36), and good outcome defined by a Karnofsky index of 80 or more (n = 60).
(8) To determine the correlation with clinical findings, the patients were divided into three groups: (1) symptomatic with monoclonal immunoelectrophoretic patterns; (2) asymptomatic with monoclonal immunoelectrophoretic patterns; (3) asymptomatic with polyclonal immunoelectrophoretic patterns.
(9) A 2.7-kilobase DNA fragment carrying the entire exotoxin A (ETA) structural gene was divided into three nonoverlapping probes.
(10) When the schizophrenics were divided into those with and without an abnormal response to PGE1, oleic acid was higher and eicosapentaenoic acid lower in those patients with an abnormal response.
(11) Treatment was divided into two categories named arbitrarily "no therapy" (general supportive measures) or "therapy" (causal treatment based on active drugs or measures aimed at affecting the cause of the disease).
(12) Left ventricular synchrony was assessed from regional volume curves derived by dividing the global ventricular region of interest into four quadrants.
(13) The serial changes in EF during exercise was divided into 5 types, including continuous increase (type A), initial increase but return to the baseline (type B), no change (type C), initial increase but later decrease below the baseline (type D), and continuous decrease (type E).
(14) Much has been claimed about the source of its support: at one extreme, it is said to divide the right-of-centre vote and crucify the Conservatives .
(15) Transplanted cells divided in vivo and progressively migrated into the host brain from the site of implantation up to distances of about 1 mm.
(16) The subjects were divided into 4 ages groups, each comprising 8 horses (4 of each sex).
(17) Patients were divided into the following groups: control (followed without specific active treatment), corticosteroid group, azathioprine group, corticosteroid and azathioprine group, chlorambucil group, 5-fluorouracil group, colchicine group and isoprinosine group.
(18) Sixty-three patients were randomly divided into six groups by the following intrathecal morphine injection: group 1 (0 mg), group 2 (0.025 mg), group 3 (0.05 mg), group 4 (0.075 mg), group 5 (0.1 mg), and group 6 (0.125 mg).
(19) Rats were divided into four groups: drug naive controls; HAL-treated for 6 months; AMPH-treated for 1 month; and rats administered both continuous HAL for 6 months and concurrent AMPH treatment during the 2nd month of HAL administration.
(20) Eighteen rabbits (Kabushikigaishya BioTec Japanese white) were divided into 3 groups.
Subtract
Definition:
(v. t.) To withdraw, or take away, as a part from the whole; to deduct; as, subtract 5 from 9, and the remainder is 4.
Example Sentences:
(1) Thus, 10 degrees should be subtracted from the ultrasound values in order to obtain the real AV angles.
(2) The signals were processed digitally using three different algorithms: 1) simple linear regression (LR); 2) linear regression with drift correction achieved by adding to, or subtracting from the plethysmographic signal a term proportional to time (LRC); 3) Fourier analysis (FFT).
(3) During bilateral displacements, the activity induced by the respective contralateral leg is linearly summed or subtracted, depending on whether the legs are displaced in the same or in opposite directions.
(4) All MR images were compared with findings of chest X-ray, CT and IVDSA (intravenous digital subtraction angiography) as appropriate.
(5) Binaural difference waves (BDWs), obtained by subtracting the sum of two monaural BAEPs from a binaural BAEP, were obtained in 16- to 20-day-old jaundiced Gunn rats before and after injection of sulfadimethoxine, which produces bilirubin neurotoxicity by promoting net transfer of bilirubin out of the circulation into brain tissue.
(6) Aggressive responding was maintained by contingent presentation of periods free of point subtractions, i.e., provocations.
(7) The diagnosis of this rare anomaly was facilitated by the use of digital subtraction aortography and allowed selective angiography of the artery with an appropriately shaped catheter.
(8) Intraarterial digital subtraction angiography (DSA) was performed to evaluate graft patency in 45 patients undergoing coronary artery bypass grafting with the use of internal mammary artery (IMA).
(9) We studied how much blue, green, or red light had to be added to or subtracted from white to obtain veridical hue perception (blue, green, red, or their complementary colours) at various locations in the temporal visual field.
(10) For each patient, the BSM and the QRS integral map before, during, and after the inflation was compared by subtraction of recordings "during-minus-before" inflation and "before-minus-after" inflation.
(11) Aneurysm of the hepatic artery, causing obstruction of the common bile duct, was definitely diagnosed preoperatively by subtraction angiography, combined with percutaneous transhepatic cholangiography.
(12) One problem required addition; the other subtraction.
(13) Eight complementary DNA (cDNA) clones highly expressed in fetal rat stomach but not in normal adult rat stomach were isolated after screening 2 x 10(4) independent recombinants from a subtracted cDNA library.
(14) In nine cases, MR angiographic findings were verified with digital subtraction angiography or conventional angiography.
(15) The various definitions of "efficiency" and "economy" are considered at the whole body and the isolated muscle level, and a discussion of baseline subtraction is presented.
(16) The voltage-dependent Na+, K+ and Ca2+ currents (INa, IK and ICa) were separated by the use of ion subtraction and pharmacological treatments.
(17) They could be improved by subtraction of the vascular images obtained after injection of 99m-technetium serum albumin.
(18) Single digital subtraction angiography showed bilateral occlusion, predominantly on the left side of the supraclinoid portion of the interna carotid arteries with formation of collateral circulation in the diencephalic territory.
(19) In this pilot study, a blood pool subtraction technique, which makes it possible to visualize MI 6 h postinjection, is validated.
(20) To determine the optimal time for recording left ventricular angiograms during atrial pacing stress tests, digital subtraction left ventriculograms were obtained using 12 ml of contrast material in 40 patients at rest and at peak pacing.