Waiter, this wine is corked. Could you bring us another bottle?
The test tube is tightly corked to prevent evaporation, and allowed to stand for some hours.
The corked eyebrows and mustaches were smeared over the perspiring, flushed, and merry faces.
Sometimes an "adapter" is used; this is simply a tapering tube, the side tube being corked into the wider end, and the condenser on to the narrower end.
When quite dry they should be put into dry wide-mouthed bottles and kept closely corked.
The tube is tightly corked to prevent evaporation, and allowed to stand for some hours.