1Consisting of four parts or elements.‘The mean of at least quadruplicate measurements was determined during a period of approximately 2 minutes at each position.’
- ‘In general, CVs obtained for the quadruplicate within-well analyte measurements were 5-9% for the prepared controls.’
- ‘Bacteria were surface plated in triplicate or quadruplicate on minimal lactose medium to select for Lac + revertants.’
- 1.1Of which four copies are made.
transitive verb[with object]
Multiply (something) by four.
- in quadruplicate
In four identical copies.‘All experiments were performed in quadruplicate, using skin samples from four different pigs.’
- ‘Yet more than 13 months after the fact, Adams repeated the lie; dishonesty in quadruplicate.’
- ‘You fill in this form in quadruplicate, wait six months, and we'll consider restoring your lilywhite status to you.’
- ‘All platings were performed in quadruplicate, and the mean number of survivors and 5 - FOA-resistant colonies determined.’
- ‘Small samples were taken from the mixture, and living and dead cells were scored in quadruplicate using trypan-blue staining.’
- ‘The main motions must be prepared in quadruplicate so that the President, Secretary, executive assistant, and author of the motion have copies.’
- ‘Main motions must be prepared in quadruplicate so the President, Secretary, executive assistant, and author of the motion have copies.’
- ‘All samples were measured in quadruplicate using a microtiter plate spectrophotometer at an outside diameter of 490 nm.’
- ‘Filter lifts using Duralose membranes were performed in quadruplicate.’
- ‘For each treatment, platings were performed in quadruplicate, and the average number of survivors was calculated.’
Mid 17th century from Latin quadruplicat- ‘quadrupled’, from the verb quadruplicare, from quadruplex, quadruplic- ‘fourfold’, from quadru- ‘four’ + plicare ‘to fold’.