Meaning & Definition of word "Amoeba"

Amoeba

/əˈmiː.bə/

1. A single-celled organism that typically has the ability to change shape and move by extending pseudopodia; it is part of the phylum Amoebozoa.
- Example: Under the microscope, we observed an amoeba gliding through the water.
2. A cellular organism characterized by its irregular shape and ability to move and engulf food through processes such as phagocytosis.
- Example: Researchers studied the amoeba's behavior in different environmental conditions.
3. Any of various similar single-celled organisms, especially those that are capable of causing disease.
- Example: Certain species of amoeba can lead to serious health issues in humans.
4. A term sometimes used metaphorically to describe an organism or entity that lacks structure or forms that are constantly changing.
- Example: The team was compared to an amoeba, constantly shifting and adapting to new challenges.

Greek amoibe, meaning 'change' or 'alteration'.

amoeba-like:

Referring to something that is shapeless or constantly changing.

social amoeba:

A person who passively follows the crowd without independent thought.

pseudopod:

A temporary protrusion of the cytoplasm that amoebas use for movement and feeding.

protozoan:

A single-celled organism that can be either free-living or parasitic.

Meaning: Someone who is indecisive or lacks motivation.

Example Sentence: Stop being an amoeba and make a decision!

Meaning: Referring to someone who blends into the background.

Example Sentence: At the party, she was such an amoeba, barely noticeable.