Acidophilus – Definition & Meaning

Acidophilus is a term that is commonly used in the field of microbiology and nutrition. It is a type of bacteria that is found in the human body, particularly in the digestive system. Acidophilus is known for its ability to promote good health and prevent certain diseases. In this article, we will explore the definition and meaning of acidophilus, its origin, associations, synonyms, antonyms, and examples of its usage.


Acidophilus is a type of bacteria that is classified as a probiotic. It is a lactic acid-producing bacterium that is commonly found in the human gut. Acidophilus is known for its ability to promote good health by maintaining a healthy balance of bacteria in the gut.


The term acidophilus comes from the Greek words “acidus” meaning sour and “philos” meaning loving. Acidophilus was first identified in 1900 by a Bulgarian scientist named Dr. Stamen Grigorov. He discovered that the bacteria was present in Bulgarian yogurt, which is known for its health benefits.

Meaning in different dictionaries

According to the Merriam-Webster dictionary, acidophilus is defined as “a bacterium of the genus Lactobacillus that is used as a probiotic to promote intestinal health”. The Oxford English Dictionary defines acidophilus as “a bacterium that is found in the human gut and is used as a probiotic to promote good health”.


Acidophilus is commonly associated with probiotics, which are live bacteria and yeasts that are good for your health, especially your digestive system. Probiotics are often found in fermented foods such as yogurt, kefir, sauerkraut, and kimchi. Acidophilus is also associated with the prevention and treatment of certain health conditions such as diarrhea, irritable bowel syndrome, and urinary tract infections.


Some synonyms of acidophilus include lactobacillus acidophilus, probiotic bacteria, beneficial bacteria, and gut-friendly bacteria.


There are no direct antonyms for acidophilus as it is a specific type of bacteria. However, some antonyms that are related to the concept of probiotics include harmful bacteria, pathogenic bacteria, and gut-damaging bacteria.

The same root words

Some words that share the same root as acidophilus include acid, acidic, and acidosis. These words are all related to the concept of acidity, which is a key characteristic of acidophilus.

Example Sentences

  1. “Taking acidophilus supplements can help improve your gut health.”
  2. “Eating yogurt that contains acidophilus can help prevent urinary tract infections.”
  3. “Probiotics such as acidophilus can help reduce inflammation in the gut.”
  4. “If you have a history of antibiotic use, it’s important to replenish your gut with acidophilus.”
  5. “Acidophilus is a type of bacteria that is commonly found in the human digestive system.”
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