bottom of a flask

USAGE SUMMARY

The phrase "bottom of a flask" is correct and usable in written English.
It can be used in contexts related to chemistry, laboratory settings, or discussions about containers and liquids. Example: "After the reaction, we observed a residue at the bottom of the flask."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

After a few days, your microscopic ball of cells has divided into a thin sheet of muscle tissue big enough to cover the bottom of a flask.

The Guardian

Cells in flasks were removed from -85°C storage and thawed immediately by a hot air stream directed to the bottom of a flask containing a cell monolayer.

Dose-Response

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

U-87MG cells adherent to the bottom of a T75 flask were trypsinized with 0.05 % trypsin-EDTA and neutralized with culture medium.

EJNMMI Research

For hypoxic or acidic culture conditions, cells were used at 3 days post-confluence, and grown on the bottom of a standing flask (25 cm) filled with 50 ml of culture medium to avoid any change in pH or serum concentration.

BMC Cancer

Secure the wax model stand to the bottom of a casting flask, using more melted wax.

WikiHow

Whenever someone gets the better of him in argument, he looks for inspiration in the bottom of a tankard or flask.

The New York Times

The suspension was immediately added on top of the coated lipid film, which occupied a ∼75 cm surface area at the bottom of a round-bottom flask.

ACS Nano

For primary tumour cell culture, effusions (20 500 ml) were centrifuged, cell pellets washed twice in PBS (Biochrom, Berlin, Germany),resuspended in RPMI 1640 medium supplemented as described and then seeded on the bottom of a cell culture flask.

British Journal of Cancer

When the cells were cultured for 5 days in a serum-free medium supplemented with SF-EFB consisting epithelial growth factor (EGF), basic fibroblast growth factor (bFGF), and B27 neuron survival factor, the majority of MCF7-V cells still adhered to the bottom of the flask, and only a minor portion of the cells formed small and adhesive mammospheres.

Cell Death and Disease

24 hr later, we imaged the chain colonies at the bottom of the flask at 10× using a Leica DMIL LED inverted compound microscope with a Leica DFC 300FX camera.

eLife

The aqueous layer at the bottom of the flask was removed using a syringe, and the toluene solution was concentrated by rotary evaporation at room temperature.

Nanoscale Research Letters

Expert writing Tips

Best practice

When describing experiments, be specific about observing reactions or residue at the "bottom of a flask" to provide clarity.

Common error

Avoid using "bottom of a flask" when a more general term like "bottom of the container" would be more appropriate, especially when not specifically discussing flasks.

Linguistic Context

The phrase "bottom of a flask" functions as a noun phrase, typically serving as a prepositional object. As seen in Ludwig, it describes a location within a laboratory context, often indicating where substances settle or reactions occur.

Expression frequency: Rare

Frequent in

Science

75%

News & Media

13%

Wiki

4%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "bottom of a flask" is a noun phrase primarily used in scientific and laboratory contexts to denote the lower part of a flask. Ludwig AI analysis indicates it is grammatically correct, though relatively rare in general usage. It often specifies the location where reactions occur or substances settle. Ludwig examples are mainly derived from scientific journals and news articles. Alternative phrases include "base of the flask" or "flask base", providing similar meaning with slight variations in formality.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Base of the flask

Synonymous with the original phrase using "base" instead of "bottom".

At the flask's bottom

Prepositional phrase indicating a location at the flask's bottom.

Flask's bottom

Uses possessive form to indicate the bottom belonging to the flask.

Flask base

More concise way to refer to the bottom of a flask.

Floor of the flask

Uses "floor" as a metaphor for the bottom surface.

Bottom of the container

Broader term; applies to any container, not just flasks.

Interior bottom of the flask

Highlights that the bottom being referred to is inside the flask.

Lower part of the flask

Describes the location using the adjective "lower" instead of the noun "bottom".

Lower section of the flask

More descriptive way of indicating the bottom area.

Inside the flask's base

Specifies the interior part of the flask base.

FAQs

How can I use "bottom of a flask" in a sentence?

You can use "bottom of a flask" to describe where sediment settles or where a reaction is most visible, such as: "The precipitate collected at the bottom of a flask after the reaction."

What is another way to say "bottom of a flask"?

Alternatives include "base of the flask", "flask base", or "floor of the flask", depending on the specific nuance you want to convey.

Is it more correct to say "base of a flask" or "bottom of a flask"?

Both "bottom of a flask" and "base of a flask" are correct and largely interchangeable. "Bottom" is more common, but "base" can sound more formal in certain contexts.

What does it mean when something settles at the "bottom of a flask"?

When something settles at the "bottom of a flask", it typically means that the substance is denser than the surrounding liquid and has precipitated or sedimented out of the solution.