# Rudolphine

> English word · Adjective

## Definitions
1. Pertaining to Rudolf II, Holy Roman Emperor (1552–1612).
2. Designating a set of astronomical calculations computed by Johannes Kepler in 1627, using data collected by Tycho Brahe (both of whom had Rudolf II as patron).

## Etymology
From Rudolph + -ine, after Rudolf II, Holy Roman Emperor.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rudolphine