parallactic ellipse
noun
An elliptic curve traced by the apparent position of a star as a result of the observer's motion as the earth moves around the sun.
Origin
Early 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.
- tetrahedrite
- tetrahedron
- tetrahydrocannabinol
- tetrahydrofuran
- tetrahydrogestrinone
- tetralogy
- tetralogy of Fallot
- tetramer
- tetrameric
- tetramerous
- tetrameter
- tetrapack
- Tetra Pak
- tetraplegia
- tetraplegic
- tetraploid
- tetraploidy
- tetrapod
- Tetrapoda
- tetrapodichnite
- tetrapterous
- tetrarch
- tetrarchate
- tetrarchical
- tetrarchy