# semielliptic

> English word · Adjective

## Definitions
1. Synonym of semielliptical.
2. In the theory of partial differential equations, designating a partial differential operator satisfying a positivity condition slightly weaker than that of being an elliptic operator. This produces a curved line progressively slightly straighter than an ellipse, such as that of an automotive leaf spring.

## Etymology
From semi- + elliptic.

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