Bacteria

Pronunciation: /bækˈtɪriə/

Definitions of bacteria

noun a type of microorganism that can be harmful or beneficial to humans and other living organisms

Example Sentences

A1 Bacteria are tiny organisms that can be found everywhere.

A2 Some bacteria are harmful to humans, while others are beneficial.

B1 Antibiotics are used to treat bacterial infections.

B2 The study of bacteria is essential in the field of microbiology.

C1 Bacteria play a crucial role in the decomposition of organic matter.

C2 The resistance of bacteria to antibiotics is a major concern in healthcare.

Examples of bacteria in a Sentence

formal The scientist studied the effects of different antibiotics on the growth of bacteria in the lab.

informal Make sure to wash your hands regularly to avoid picking up any harmful bacteria.

slang I heard that gym equipment can be covered in all sorts of gross bacteria, so be careful when using it.

figurative Negative thoughts can spread like bacteria, infecting your mind and influencing your actions.

Grammatical Forms of bacteria

• plural: bacteria
• present tense: bacteria
• future tense: will bacteria
• perfect tense: have bacteria
• continuous tense: is bacteria
• singular: bacterium
• positive degree: bacteria
• infinitive: bacteria
• gerund: bacteriuming
• participle: bacteriumed

Origin and Evolution of bacteria

First Known Use: 1854 year

Language of Origin: Greek

Story behind the word: The word 'bacteria' is derived from the Greek word 'bakterion' meaning 'small rod or staff'.

Evolution of the word: The term 'bacteria' was first used by German botanist Ferdinand Cohn in 1854 to describe microscopic organisms with a simple structure. Over time, the understanding of bacteria has evolved to include a wide range of microorganisms with diverse shapes, sizes, and functions.