impermeability - Master This Word
Master this word with our 5-step learning method – Learn English in English
impermeability Word Meanings
- the state of being impossible to pass through
- the quality of not allowing liquids or gases to enter or escape
- figuratively, the inability to be affected by external influences
impermeability Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
impermeability Phonetic & Pronunciation
UK
/ɪmˌpɜːmiːəˈbɪlɪti/
US
/ɪmˌpɝːmiəˈbɪlɪti/
impermeability Word Etymology
Root: 'im-' (not) + 'permeable' (able to be passed through). Historical origin: Latin 'impermeabilis' to Old French 'impermeable' and then to English. Memory image: Picture a sealed container, with no leaks—a barrier against all fluids, representing strength and resilience against outside forces.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Impermeability is a property describing something that cannot be passed through by liquids, gases, or other substances. In everyday use, you might hear it about bottles, membranes, or coatings that keep contents inside or keep outside elements out. Scientifically, it is measured by how well a barrier resists permeation under pressure or over time. Metaphorically, impermeability can describe a person or system that remains resistant to external influence or pressure. When teaching English, learners often confuse impermeability with permeability or with being simply leak-proof; focusing on the idea of an absolute barrier helps separate it from related terms like 'impermeable' (adjective) and 'permeable' (opposite).
Usage Reminders
- Remember that impermeability is a noun; use it with 'the', or as 'high impermeability'.
- Pair with verbs like 'possess' or 'exhibit' to talk about properties.
- Avoid using it for people as a moral trait; prefer metaphorical phrases like 'resistant to outside influence'.
- Differentiate from 'impermeable' (adjective) and 'permeable' (opposite).
- In technical contexts, quantify with 'resistance to permeation' or 'barrier integrity'.
Common Misconceptions
- It is not the same as 'permeability' (the opposite concept is permeability).
- It does not mean 'unbreakable' or 'unpassable' in all senses—only barriers to passage.
- It is a noun, not an adjective; use 'impermeable' to describe a material.
- Metaphorical use is common but should not replace the literal meaning.
- Some laypeople confuse it with 'leak-proof', which is a feature but not the full barrier property.
Thinking Differences
Explain to an English speaker: Impermeability is a formal scientific noun describing a barrier that liquids or gases cannot pass through. Learners often mix it with permeability (the opposite) or with adjectives like impermeable. Emphasize the metaphorical sense separately: 'resistant to outside influence' is common but distinct from the literal barrier idea.
Learning Tips
- Connect the root 'im-' (not) with 'permeable' to remember the meaning.
- Visualize a sealed container to recall impermeability.
- Compare with 'permeable' and 'impermeable' to avoid mix-ups.
- Use in product descriptions to describe barriers and seals.
- Practice both literal and metaphorical uses to build versatility.
- Listen for noun form in readings and glossaries; avoid using as a verb.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What does 'impermeability' mean?
A.A measure of how resistant a material is to water flow
B.The ability of a material to allow fluids to pass through it
C.The quality of being transparent
D.A type of dance
Step 2: Usage
Which sentence uses 'impermeability' correctly?
A.The impermeability of the sponge meant that it soaked up all the water.
B.Scientists are studying the impermeability of rocks to understand water flow.
C.The impermeability of the fabric allowed it to breathe better.
D.Her impermeability towards criticism helped her succeed.
Step 3: Similar Words
Which word is most similar to 'impermeability'?
A.Porosity
B.Waterproofing
C.Density
D.Absorption
Step 4: Opposite Words
What is the opposite of 'impermeability'?
A.Passability
B.Density
C.Resistance
D.Absorption
Step 5: Mastery
Can you give an example of a real-life scenario of impermeability?
A.A raincoat keeps you dry during a storm.
B.Water flows freely through a sponge.
C.The fence blocks animals from entering the field.
D.The water seeps through the soil easily.
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