Dictionary.com
Thesaurus.com
Synonyms

rumen

American  
[roo-min] / ˈru mɪn /

noun

  • rumina,
    plural
  • rumens
    plural
  1. the first stomach of ruminating animals, lying next to the reticulum.


rumen British  
/ ˈruːmɛn /

noun

  1. the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rumen Scientific  
/ ro̅o̅mən /
  1. The first and largest division of the stomach in ruminant animals, in which the food is fermented by microorganisms.

  2. See more at ruminant


Other Word Forms

Noun Inflected Forms

Etymology

Origin of rumen

First recorded in 1720–30, rumen is from the Latin word rūmen throat, gullet

Vocabulary lists containing rumen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“The digestive tract, or rumen, basically requires movement. There has to be things moving out of that rumen constantly in order for the pH balance and microbiome to stay where it should be,” he said.

From Los Angeles Times Oct. 4, 2024

"It's a real possibility," says Mizrahi, an expert on rumen biology.

From Science Daily Mar. 18, 2024

The goal is to develop an oral treatment for calves that, once administered, will continue repopulating their rumen with the genetically modified microflora.

From Salon Nov. 2, 2023

Because cows can’t readily digest the grass they eat, they ferment it first in multiple stomach compartments, or rumen, a process that releases huge amounts of gas.

From Seattle Times Nov. 13, 2022

A rumen, however, is naturally neutral or non-acid.

From "The Omnivore's Dilemma" by Michael Pollan

The hay was bound for the rumens of nine Salers cattle and a handful of rescue donkeys and llamas that hang with the herd.

From Washington Times Mar. 7, 2021

These low emitters have smaller rumens, meaning the contents pass through faster.

From Economist Jan. 14, 2016

Although there are more important biospheric sources of atmospheric methane than the methanogenic archaea in the rumens of cattle, my father’s throwaway phrase is a memorable bit of rhetoric.

From Salon Jun. 2, 2013

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training