fermentation tube


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fermentation tube

[‚fər·mən′tā·shən ‚tüb]
(microbiology)
A culture tube with a vertical closed arm to collect gas formed in a broth culture by microorganisms.
References in classic literature ?
even as in one who at last draws free air, after a long stifling with his own polluted breath.
And for myself,' she cried, clasping her hands, and looking upward, 'I swear before Him, as He knows my heart and reads it now, that from that hour I will love and cherish you as I did of old, and watch you night and day in the short interval that will remain to us, and soothe you with my truest love and duty, and pray with you, that one threatening judgment may be arrested, and that our boy may be spared to bless God, in his poor way, in the free air and light
The shadow thickening and thickening as he approached its source, he thought of the secrets of the lonely church-vaults, where the people who had hoarded and secreted in iron coffers were in their turn similarly hoarded, not yet at rest from doing harm; and then of the secrets of the river, as it rolled its turbid tide between two frowning wildernesses of secrets, extending, thick and dense, for many miles, and warding off the free air and the free country swept by winds and wings of birds.
She shudders at the thought of being shut up with him in the house; but many of its windows command the garden, and she can be seen as well as heard there, and can shriek in the free air and run away.
She was clamly enjoying the free air, while she looked up at the old fir-trees, and thought that those broken ends of branches were the records of past storms, which had only made the red stems soar higher.
You have fed and you have slept in my camp for a year, and I did hope that you had found the free air of the borders, enough to your mind to wish to remain among us.