Amoeba

Pronunciation: /əˈmiːbə/

Definitions of amoeba

noun a single-celled microscopic organism that has no definite shape and moves by constantly changing its form

Example Sentences

A1 An amoeba is a tiny single-celled organism.

A2 Amoebas move by extending their pseudopods.

B1 Under a microscope, you can see the nucleus of an amoeba.

B2 Amoebas reproduce asexually through binary fission.

C1 Researchers are studying the genetic makeup of different species of amoebas.

C2 The ability of amoebas to adapt to different environments is a subject of interest in evolutionary biology.

Examples of amoeba in a Sentence

formal The scientist observed the movement of the single-celled organism known as an amoeba under the microscope.

informal I heard that an amoeba can change its shape to fit into tight spaces.

slang That guy is like an amoeba, always changing his mind and adapting to different situations.

figurative Her ideas seemed to flow and change shape like an ever-moving amoeba.

Grammatical Forms of amoeba

• past tense: amoebaed
• plural: amoebas
• comparative: more amoebic
• superlative: most amoebic
• present tense: amoebas
• future tense: will amoeba
• perfect tense: have amoebaed
• continuous tense: am amoebaing
• singular: amoeba
• positive degree: amoebic
• infinitive: to amoeba
• gerund: amoebing
• participle: amoebaed

Origin and Evolution of amoeba

First Known Use: 1759 year

Language of Origin: Greek

Story behind the word: The word 'amoeba' originates from the Greek word 'amoibē' meaning 'change'.

Evolution of the word: The term 'amoeba' was first used in the biological context to describe a type of single-celled organism with the ability to change its shape. Over time, the word has come to be used more broadly to describe any organism that lacks a fixed shape or form.