How to Use "Condense" in a Sentence

"Condense" has both a scientific meaning (changing from gas to liquid) and an everyday meaning (making something shorter or more compact). Both uses are common.

Scientific / Physical Meaning

In science, condense means to change from a gas or vapor into a liquid, or to become denser.

Water vapor condenses on cold surfaces, forming droplets.
The steam condensed on the bathroom mirror.
Gases condense into liquids when cooled sufficiently.

This is where the word originates. Think of condensation on a cold glass in summer.

Figurative / Everyday Meaning

More commonly in general writing, condense means to make something shorter, more concise, or more concentrated.

Can you condense this report into two pages?
She condensed three hours of research into a five-minute presentation.
The editor asked him to condense the article by a third.

Example Sentences

In writing and communication

The author condensed a complex topic into a readable guide.
Try to condense your argument into a single paragraph.
The summary condensed the main findings into bullet points.

In cooking and food science

Condensed milk is made by removing most of the water from regular milk.
The sauce will thicken as it condenses during cooking.
Condensed soup needs water added before heating.

In science

Moisture from the air condensed on the cold pipes.
At high altitudes, exhaled breath condenses visibly in the cold air.
The gas will condense at temperatures below negative 40 degrees.

Common Patterns

"Condense" pairs well with these structures:

Condense into -- Condense the chapter into a summary.
Condense from -- The vapor condensed from the cooled gas.
Condensed version -- The condensed version of the book is 200 pages shorter.

Condense vs. Summarize

Both involve making something shorter, but they work differently:

Condense means compressing content while keeping most of the substance. The result is a shorter but still thorough version.
Summarize means extracting only the key points. The result is an overview, not a shortened version.

You condense a 20-page report into 10 pages. You summarize it into a paragraph.

Related Words

Condensation (noun): the process of condensing, or the liquid formed by it
Condensed (adjective): made shorter, denser, or more compact
Condenser (noun): a device that condenses gas to liquid, or a lens that concentrates light

Summary

Use "condense" when something is being compressed, shortened, or changed from gas to liquid. In everyday writing, it most often means making content more concise while preserving essential information.

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