noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An algebraic structure similar to a ring, but without the requirement that each element must have an additive inverse.
2. 2
   One of the incomplete rings of the upper part of the bronchial tubes of most birds, forming an essential part of the syrinx of songbirds.

Synonyms

All synonyms

rigrig

Etymology

From semi- + ring.

Related phrases

additive inversebronchial tube

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.