What does semi permeable mean Meaning and Definition
What does semi permeable mean
Pronunciation
/ˌsɛmiː pərˈmiːəbəl/
Part of Speech
Adjective
Definition
Allowing certain molecules or substances to pass through while blocking others, typically due to differences in size or properties.
Examples
- The cell membrane is semi-permeable, allowing oxygen and nutrients to enter while keeping toxins out.
- The semi-permeable material used in the water filter allowed clean water to pass through while removing impurities.
Synonyms
- Partially permeable
- Selectively permeable
Antonyms
- Impermeable
- Permeable
Additional Information
Semi-permeable materials have a wide range of applications in various fields, including biology, chemistry, and engineering. In biology, semi-permeable cell membranes play a crucial role in maintaining cellular homeostasis by regulating the movement of molecules in and out of the cell. In chemistry, semi-permeable materials are used in separation processes, such as dialysis and filtration. In engineering, semi-permeable materials are used in the design of membranes for water treatment and desalination.
The concept of semi-permeability is also relevant in everyday life. For example, the skin is semi-permeable, allowing water and oxygen to pass through while keeping bacteria and other foreign substances out. Similarly, semi-permeable packaging materials are used to keep food fresh by allowing moisture and oxygen to pass through while keeping contaminants out.
Understanding the concept of semi-permeability is essential in various fields, including science, technology, engineering, and mathematics (STEM). It has numerous applications in real-world problems, such as water purification, food preservation, and medical treatment.
Etymology
The term “semi-permeable” comes from the Latin words “semi,” meaning “half,” and “permeare,” meaning “to pass through.” The concept of semi-permeability has been studied and described by scientists since the 19th century, with significant contributions from biologists, chemists, and engineers.
Usage Notes
The term “semi-permeable” is often used in scientific and technical contexts to describe materials or membranes that allow certain molecules or substances to pass through while blocking others. It is essential to use the term correctly and in the appropriate context to avoid confusion or misinterpretation.
Cultural References
The concept of semi-permeability has been referenced in popular culture, including in science fiction and fantasy stories. For example, in the movie “The Matrix,” the main character Neo is able to pass through a semi-permeable membrane to enter a simulated reality.
Idiomatic Expressions or Phrases
There are no common idiomatic expressions or phrases that include the term “semi-permeable.” However, the concept of semi-permeability is often used metaphorically to describe situations or systems that allow certain things to pass through while blocking others.
Related Words or Phrases
Related words or phrases include “permeable,” “impermeable,” “selectively permeable,” and “partially permeable.” These terms are often used in scientific and technical contexts to describe materials or membranes with different properties.
Collocations
Common collocations include “semi-permeable membrane,” “semi-permeable material,” and “semi-permeable barrier.” These collocations are often used in scientific and technical contexts to describe specific types of materials or systems.
Frequency of Use
The term “semi-permeable” is commonly used in scientific and technical contexts, particularly in fields such as biology, chemistry, and engineering. It is also used in everyday language to describe materials or systems that allow certain things to pass through while blocking others.
Common Misspellings
Common misspellings include “semipermeable,” “semi-permeable,” and “semipermeabal.” It is essential to use the correct spelling to avoid confusion or misinterpretation.