4 syllables: Per, me, a, ble. Stress on Per.
PUR-mee-uh-buhl
/ˈpɝˌmiəbəl/
Permeable is pronounced PUR-mee-uh-buhl (/ˈpɝˌmiəbəl/). It has four syllables (Per-me-a-ble), with the stress on "Per". Permeable is an adjective describing a material or membrane that allows liquids or gases to pass through it, due to its pore structure or chemical properties. It denotes permeability, the capability of letting substances diffuse or seep across the boundary. In science and engineering contexts, permeable materials are contrasted with impermeable ones. The term is common in biology, geology, and environmental engineering.
adjectivePermeable is an adjective describing a material or membrane that allows liquids or gases to pass through it, due to its pore structure or chemical properties. It denotes permeability, the capability of letting substances diffuse or seep across the boundary. In science and engineering contexts, permeable materials are contrasted with impermeable ones. The term is common in biology, geology, and environmental engineering.
How to Pronounce Permeable
"The soil is permeable, so water drains quickly after rainfall."
"A permeable membrane allows essential nutrients to pass while keeping harmful substances out."
"Researchers tested the permeable coating to see if it would reduce gas exchange."
Pronounce it as per-MEE-muh-buhl, with primary stress on the second syllable. IPA US: pɚˈmiː.mə.bəl; UK: pəˈmiː.rə.bəl; AU follows the UK pattern. Start with a schwa, move to a long E in the stressed syllable, then a schwa, and end with a light bəl. Listen for the two quick consonant closures in the middle: /m/ and /b/ connect smoothly.
Common mistakes: 1) Stressing the first syllable (ˈPER-me-able) instead of second (per-ME-able). 2) Treating the second syllable as a short /ɪ/ rather than /iː/; say /miː/. 3) Dropping the final /l/ or making it sound like /əl/ rather than /bəl/. Correction: emphasize ME with /iː/, keep the /l/ dark and clear, and lightly connect the final syllables.
US: r-colored schwa at the start /pɚ/; primary stress on /ˈmiː/. UK: non-rhotic /pəˈmiː.rə.bəl/ with a clearer /ə/ in first syllable and a rhoticity none; AU mirrors UK with slight vowel breadth. Across all, the middle /iː/ is long, and final /bəl/ reduces to /bəl/ in casual speech. Accent differences mainly affect vowel quality and rhoticity in the first syllable.
It challenges non-native speakers with the sequence /ɚ/ or /ə/ in initial position, the long /iː/ in the stressed second syllable, and the final /bəl/ cluster, especially linking to previous consonants. Mastery requires precise lip rounding and tongue position to avoid conflating /iː/ with /ɪ/. Also, keep the transition between /miː/ and /mə/ smooth to avoid a triphthong-like mispronunciation.
Permeable features a clear stress on the second syllable, a long /iː/ vowel, and a light /bəl/ ending. The initial vowel is a lax schwa that should not be reduced to a dark /ɜː/ in US contexts. The middle /iː/ is the keystone, requiring tension between the tongue tip and palate to maintain the length. Remember: keep the /m/ nasal before the /iː/ and don’t let the /r/ invade the first syllable in non-rhotic accents.
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Permeable comes from the Latin permeare, meaning to pass through, from per- “through” + meare (to go, pass). The English form emerged in the 17th–18th centuries, initially in scientific contexts to describe membranes and soils that allow the passage of fluids or gases. Through the 1800s, permeable materials were commonly contrasted with impermeable in geology, biology, and civil engineering. The suffix -able signals capability or suitability, so permeable literally means capable of being penetrated. The word’s usage broadened to describe any porous or penetrable medium, including fabrics and filters, with expert usage in environmental science and biomedical fields. First known uses appear in natural philosophy and early material science writings, evolving from Latin roots into English scientific vocabulary as theories of diffusion and osmosis matured.
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💡 These words have similar meanings to "Permeable" and can often be used interchangeably.
🔄 These words have opposite meanings to "Permeable" and show contrast in usage.
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Words that rhyme with "Permeable"
-ble sounds
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