beginning number
nounUK /bɪˈɡɪnɪŋ ˈnʌmbə/
US /bɪˈɡɪnɪŋ ˈnʌmbər/
A beginning number is the first number you count when you start.
One is the beginning number when you count apples.
OTHER MEANINGS
2. The number a list or pattern starts with.
In the pattern 5, 10, 15, the beginning number is 5.
3. The first number in a range or set.
The beginning number of the group 3 to 8 is 3.
4. The number you say first when counting aloud.
When we count to ten, the beginning number is one.