ameba: meaning, definition, pronunciation and examples
LowScientific/Technical; also appears in educational contexts
Quick answer
What does “ameba” mean?
A microscopic single-celled organism that moves and feeds by extending temporary projections of its cytoplasm.
Audio
Pronunciation
Definition
Meaning and Definition
A microscopic single-celled organism that moves and feeds by extending temporary projections of its cytoplasm.
In informal contexts, sometimes used metaphorically to describe something that changes shape frequently or lacks defined structure; also appears in some brand names and product designations.
Dialectal Variation
British vs American Usage
Differences
British English overwhelmingly prefers 'amoeba'; American English uses both 'amoeba' and 'ameba', with 'amoeba' being more common but 'ameba' appearing in some scientific and medical publications.
Connotations
Both spellings carry identical scientific meaning; 'ameba' may sometimes be perceived as a more technical or Americanized variant.
Frequency
'Amoeba' is approximately 10 times more frequent than 'ameba' in both UK and US corpora; 'ameba' appears primarily in specialized American texts.
Grammar
How to Use “ameba” in a Sentence
The [noun] contains amebasAmebas [verb] in waterObserve the ameba under [noun]Vocabulary
Collocations
Usage
Meaning in Context
Business
Rare; may appear in biotech company names or product branding
Academic
Common in biology textbooks and research papers, particularly in microbiology and parasitology
Everyday
Occasional in educational contexts or news reports about water safety
Technical
Frequent in medical literature (e.g., 'Naegleria fowleri', the brain-eating ameba) and biological research
Vocabulary
Synonyms of “ameba”
Vocabulary
Antonyms of “ameba”
Watch out
Common Mistakes When Using “ameba”
- Misspelling as 'ameoba' or 'amoba'
- Using plural 'amebas' when 'amebae' is technically correct but rarely used
- Confusing with similar microorganisms like paramecium
FAQ
Frequently Asked Questions
Yes, they refer to the same organism; 'ameba' is simply an alternative spelling, more common in American English.
No, most amebas are harmless and free-living; only a few species like Entamoeba histolytica are pathogenic to humans.
Primarily through binary fission, a form of asexual reproduction where one cell divides into two identical cells.
In freshwater environments, soil, and as parasites in some animals; they're ubiquitous in moist environments worldwide.
A microscopic single-celled organism that moves and feeds by extending temporary projections of its cytoplasm.
Ameba is usually scientific/technical; also appears in educational contexts in register.
Ameba: in British English it is pronounced /əˈmiːbə/, and in American English it is pronounced /əˈmiːbə/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
A-ME-BA: A Microscopic Entity Bouncing Around
Conceptual Metaphor
Shape-shifting (due to its changing form); simplicity (as a model of basic life)
Practice
Quiz
Which statement about amebas is correct?