dotdiagram
nounUK /ˈdɒtˌdaɪəɡræm/
US /ˈdɑːtˌdaɪəɡræm/
A dot diagram is a picture that uses dots to show things or numbers.
The teacher drew a dot diagram on the board to show how many apples each child had.
OTHER MEANINGS
2. A diagram in which dots represent atoms or particles and their connections.
The chemistry book showed a dot diagram of the water molecule.
3. A visual display where each dot stands for one item in a set.
We made a dot diagram of all the birds we saw in the garden.
4. A simple sketch made mostly of dots to mark positions.
His map was just a dot diagram showing where the treasure was hidden.