test tube

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test tube

n.
A clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation.

test tube

n
1. (Chemistry) a cylindrical round-bottomed glass tube open at one end: used in scientific experiments
2. (Chemistry) (modifier) made synthetically in, or as if in, a test tube: a test-tube product.

test′ tube`


n.
a hollow cylinder of thin glass with one end closed, used in laboratory experimentation and analysis.
[1840–50]

test′-tube`



adj.
produced in or as if in a test tube; synthetic or experimental.
[1885–90]

test tube

(tĕst)
A cylindrical tube of clear glass, usually open at one end and rounded at the other, used as a container for small amounts of a substance in laboratory tests and experiments.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.test tube - glass tube closed at one endtest tube - glass tube closed at one end  
tube, tubing - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
Translations
zkumavka
reagensglas
koeputki
epruveta
試験管
시험관
epruveta
provrör
หลอดทดลอง
ống nghiệm

test tube

n (Chem) → provetta

test tube

أُنْبُوبُ اِخْتِبَار zkumavka reagensglas Reagenzglas δοκιμαστικός σωλήνας probeta koeputki éprouvette epruveta provetta 試験管 시험관 reageerbuisje prøverør probówka tubo de ensaio пробирка provrör หลอดทดลอง deney tüpü ống nghiệm 试管

test tube

n tubo de ensayo
References in periodicals archive ?
5 cc of blood of neonate was collected in vacutainer tube with trisodium EDTA as an anticoagulant and culture tube.
The blood samples were collected in a disposable culture tube and centrifuged for 15 min by 3,000 rpm at 4[degrees]C (Eppendorf centrifuge 5810R, Hamburg, Germany).
The pouch is quite lighter and easier to handle in the field than a usual glass culture tube in the laboratory.
Aseptically transfer supernatant to a different sterile culture tube.
However, false-positive results due to the growth of non-tuberculous mycobacteria may be resolved if PNB is incorporated in an additional culture tube (PNB, a reagent that inhibits the growth of MTB but not atypical mycobacteria) and the further confirmation of culture can be achieved by direct acid fast staining and biochemical reactions or using molecular techniques.
These contaminants become established at the mouth of a culture tube and can rapidly spread down through the medium, overwhelming symbiotic ambrosial species.
After the suspension transfer into new culture tube (fraction A), add 1 ml Brain Heart Infusion broth and 1 ml compound tested in empty tube from which we put in Fraction A then do vortexing for 30 sec then shift this to another culture tube (fraction B).
The data for regeneration frequency, number of shoots per culture tube and number of roots per culture tube were recorded.
The inoculum for sensitivity testing was prepared according to manufacturers instruction from the positive MGIT culture tube within one to five days of flagging as positive.
Survival was calculated from each culture tube and percentage data were arcsin transformed for all statistical analysis.
glass culture tube used to package the company's collagen vascular grafts.

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