Englishfor English speakers
particle
Noun
—
A particle is a very small, tiny piece.
His eye hurt because a particle of dust had got into it.
data
Noun
—
Data is information, such as facts, numbers, photographs, etc.
A study using experimental data from ten schools found no difference between methods.
group
Noun
—
When more than 2 things or people are together, they make a group.
group
Verb
—
To put people or things together to make a group.