Synonyms for periapsis
Most common
Definitions
- n. 1
The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum.
Related words
- Word family
- peribothron pericenter pericynthion perihelion perikrone perilune perimelasma perinigricon
- Is a kind of
- apsis
Forms
- Plural
- periapsises → pericenters, periapses, pericynthions…
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| periapsis | falling | |
| pericenter | falling | |
| periapse | steady | |
| pericynthion | falling |
Use in printed books, per decade from 1850 to 2019.
By length
- 8 letters
- periapse
- 10 letters
- pericenter, pericentre
- 12 letters
- pericynthion
In other languages
- Français
- périapside