# coring

Pronunciation: say "KOR-ing" US /ˈkɔɹɪŋ/, UK /ˈkɔːɹɪŋ/

## Verb

1. Present participle and gerund of core. — present participle and gerund of core
   - Simple: Present participle of core. Use this form for the ongoing action of cutting out the center of something.
   - _The chef stood at the counter coring a basket of apples._
   - _Coring the strawberries by hand took most of the afternoon._

## Noun

2. The making of a core by drilling into rock, ice, or other solid material.
   - Simple: The act of drilling out a round sample from rock, ice, or other material.
   - _Deep-sea coring brought up sediment that recorded thousands of years of climate._
   - _The geologists scheduled coring at three sites along the fault line._
3. The algebraic structure dual to a ring, obtained by reversing its defining operations.
   - Simple: A math structure that works like the mirror image of a ring.
   - _Her thesis studies comodules over a coring rather than modules over a ring._
   - _Every extension of rings gives rise to a canonical coring._

## Origin

Formed from the prefix co- plus ring.

Source: DictionaryAI, https://dictionaryai.com/define/coring (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).