(a.) Being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of June consists of thirty days.
(n.) The sum of three tens, or twenty and ten; thirty units or objects.
(n.) A symbol expressing thirty, as 30, or XXX.
Example Sentences:
(1) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
(2) Thirty of the 32 women of the calcitonin group and 27 of 28 women of the calcium group finished treatment.
(3) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
(4) Thirty had an in situ tumor (mean age: 30 years) and 34 had an invasive adenocarcinoma (mean age: 45 years), 7 of whom died of their cancer.
(5) Thirty-six dogs were seropositive, 28 of which had not traveled to endemic areas.
(6) Circulating acute phase protein concentrations rose in all subjects during a thirty hour period following injury but none of the subjects showed a detectable rise in circulating concentrations of TNF.
(7) Thirty-five naïve subjects, including 10 normal subjects (group 1), 12 patients with chronic obstructive pulmonary disease (group 2), and 13 patients with restrictive pulmonary disease (group 3), were studied.
(8) Thirty-seven patients with retinoblastoma were evaluated prospectively by clinical examination, lumbar puncture, and CT.
(9) Thirty-six investigations were made using a number of lithium fluoride micro-rods for each investigation.
(10) Thirty-six lesions imaged as vascular malformations with abnormal vessels or diffusely increased activity.
(11) Thirty six fresh surgical specimens were collected from patients undergoing radical retropubic prostatectomy for carcinoma of the prostate.
(12) Thirty-three percent of patients (15 of 45) with MAC required permanent pacemaker implantation after aortic valve replacement, compared with only 10% of patients (3 of 31) without MAC (p less than 0.025).
(13) Thirty-three emotional reactions occurred in 26 patients, 44% of the reactions following right hemisphere injection and 32% after injection of the left hemisphere.
(14) Thirty (90.9%) strains were lysed by avian phages: 28 strains at 1 x RTD and 2 at 100 x RTD.
(15) Thirty patients required a second operation to an area previously addressed reflecting inadequacies in technique, the unpredictability of bone grafts, and soft-tissue scarring.
(16) Thirty-three patients with idiopathic scoliotic curvatures underwent metrizamide myelography before surgery from 1979 through 1985.
(17) Thirty-five healthy, sedentary postmenopausal women, 55 to 70 years old.
(18) Thirty patients were evaluated in a blind fashion to study the effect of oral propranolol on portal hypertension of varied aetiology.
(19) Thirty-two homologous genes now have been mapped in humans, mice, and cattle.
(20) Each repeat unit contains thirty amino acids and is thought to bind a zinc atom using two cysteines and two histidines as ligands.