atom

[US]/ˈætəm/
[UK]/ˈætəm/
Frequency: Very High

Translation

n. the smallest unit of a chemical element, consisting of a nucleus and one or more electrons orbiting around it.

Phrases & Collocations

atomic structure

atomic number

hydrogen atom

atom bomb

bohr atom

neutral atom

Example Sentences

eight atom hockey teams.

We hadn't an atom of food.

atoms which conglomerate at the centre.

There's not an atom of truth in what he said.

A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.

tyrosine with two iodine atoms added

I shall not have one atom of strength left.

the sodium atom is coordinated to two oxygen atoms.

a model of generative grammar; a model of an atom; an economic model.

Atom Anne Marie Loder ….Dr.

It is like cytidine, but with one oxygen atom removed.

Water is made up of atoms of hydrogen and oxygen.

He could not get up an atom of sympathy for her.

A nuclear reactor is the apparatus in which atoms are split.

For many years the atom was believed to be indivisible.

The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.

When an atom of U235 is split,several neutrons are set free.

these compounds are dissociated by solar radiation to yield atoms of chlorine.

Small molecule atomic particles, atoms extranuclear electron transfer.

Ketohexose A ketose SUGAR with six carbon atoms, e.g. fructose.

Real-world Examples

Where there's no atoms, there is just emptiness.

Source: PBS Fun Science Popularization

He is one of the foremost atom scientists in China.

Source: IELTS Vocabulary: Category Recognition

Atom by atom, we'll assemble small machines that can enter cell walls and make repairs.

Source: Celebrity Speech Compilation

They make up the neutrons and protons found inside atoms.

Source: BBC Listening Collection July 2022

A hydrogen atom is 15.5 billion times smaller than you.

Source: Listening Digest

Water is made out of two hydrogen atoms and one oxygen atom.

Source: Bilingual Edition of TED-Ed Selected Speeches

But these carbon atoms are completely surrounded by the hydrogen atoms.

Source: Asap SCIENCE Selection

Size ratio was all wrong. Couldn't visualize it. Needed bigger carbon atoms.

Source: The Big Bang Theory Season 3

By analyzing the individual atoms, Marcus can determine where the carbon dioxide comes from.

Source: Environment and Science

Way, way in, and look at their individual atoms.

Source: Crash Course Astronomy

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