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Douglas Harper's Etymology Dictionary
test-tube

1809, from test (n.) + tube (n.). So called because it originally was used to test the properties of liquids. Test-tube baby is recorded from 1935.

Usage examples of "test-tube".

Meanwhile, he busied himself adjusting his microscope and test-tubes and getting the agar slides ready for examination.

I was pouring something from one test-tube to another, and West was busy over the alcohol blast-lamp which had to answer for a Bunsen burner in this gasless edifice, when from the pitch-black room we had left there burst the most appalling and demoniac succession of cries that either of us had ever heard.

I was pouring something from one test-tube to another, and West was busy over the alcohol blast-lamp which had to answer for a Bunsen burner in this gasless edifice, when from the pitch-black room we had left there burst the most appalling and daemoniac succession of cries that either of us had ever heard.

And of course the complete collapse of that economic powerhouse Hasbro-Microsoft-Starbucks under the triple assaults of plastic-eating bacteria, cheap qubit computers in a test-tube and terrorist-unleashed coffeeplant-killer viruses.

McReady held a test-tube with white precipitin settling slowly from straw-colored serum.

I took a test-tube containing a one per cent solution of the bluid to be examined.

The wide-mouthed bottle contains either a short test-tube or an ordinary phial with its neck cut off.

Duggan up to that room, and had permitted her to see a white sink, and a funny-looking black thing like an oven, and rows of bottles and test-tubes stuffed with cotton-wool, and glass dishes.

She saw rows and rows of test-tubes standing in wooden racks--each plugged with a wad of cottonwool and neatly labelled.

There were the rows of test-tubes, the culture dishes, the microscope covered by a white cloth, the bottles of stains, the boxes of slides and coverslips.

If radioactive ATP is added to a tiny sample of the membranes, and incubated together for a few seconds in a miniature test-tube, the membrane proteins become both phosphorylated and radioactive.

No matter, Battista Grassi is up behind her, pounces on her, claps his fat test-tube over her, puts a grubby thumb over the mouth of the test-tube, paws over his prize and pulls her apart, scrawls little cramped pothooks in his notebook.

These are bunsen burners, this is a test-tube, this is a pipette, that's a burette, that is a retort, a crucible .

Blithe was the singing of the young girls over their test-tubes, the Predestinators whistled as they worked, and in the Decanting Room what glorious jokes were cracked above the empty bottles!

Early the next day, in a chemistry laboratory at Columbia, I Jeff was crouched down before one of the cupboards beneath the~~ workbench, holding a list of apparatus required for the morning's,' experiment in one hand, and lifting out tripod, beakers, Leipzig Condenser, test-tube rack, and burner with the other As he was finishing, a foot planted itself in his field of vision, and a tall, thinnish figure with glasses materialized above.