sphenic
/ˈsfɛnɪk/
adjective
- Relating to or shaped like a wedge.
- The architect used a sphenic design for the building's entrance.
- Geologists described the rock's sphenic fracture pattern.
- The sphenic form of the tool helped it split wood easily.
- Describing a positive integer that is the product of three distinct prime numbers.
- The teacher asked us to find all sphenic numbers under 100.
- In math class, we learned that 42 is sphenic since it is 2 × 3 × 7.
- Thirty is a sphenic number because it equals 2 × 3 × 5.