basedata

noun
UK /ˈbeɪsˌdeɪtə/
US /ˈbeɪsˌdeɪtə/

The main facts or information that you start with.

The scientist used basedata to begin her study.


OTHER MEANINGS

2. The original numbers or facts stored in a computer before any changes are made.

The program reads the basedata before it makes the chart.

3. The main set of facts a school or company keeps about its people.

The school keeps basedata about every student in a safe file.

4. The first facts used to check if later work is correct.

We compared the new results with the basedata to see if they matched.