Pronunciation: /ˈruːmən/
noun the first stomach of a ruminant animal, which receives food or cud from the esophagus
A1 The rumen is a part of a cow's stomach where food is fermented.
A2 Cows have a specialized stomach called a rumen that helps them digest tough plant materials.
B1 The rumen plays a crucial role in the digestive process of ruminant animals like cows and sheep.
B2 Fermentation of food in the rumen allows ruminant animals to extract nutrients from cellulose.
C1 The complex microbial ecosystem in the rumen enables efficient breakdown of plant fibers in cattle.
C2 Researchers are studying the microbial diversity in the rumen to improve livestock nutrition and health.
formal The rumen is the first compartment of the stomach in a ruminant animal.
informal Cows have a rumen where they store food before digesting it.
slang I heard that cow's rumen is like a big storage tank for food.
figurative The rumen of knowledge is where ideas ferment and grow before being fully understood.
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