new moon
noun/ˈn(j)uː ˌmuːn/ · [ˈn(j)ʊu̯ ˌmʊu̯n]
Etymology From Middle English newe moone, newe mone, equivalent to new + moon.
1
The phase of the moon when it is in conjunction with the sun and is therefore obscured.
2
The moon when it is in conjunction with the sun.
3
The phase of the moon when it is waxing.
4
The moon when it is waxing.
5
The day when the new moon is first seen or is expected to appear.
- Related terms
- lunar phase