2 syllables: mem, branes. Stress on mem.
MEM-braynz
/ˈmɛmˌbɹeɪnz/
membranes is pronounced MEM-braynz (/ˈmɛmˌbɹeɪnz/). It has two syllables (mem-branes), with the stress on "mem". Membranes are thin, pliable barriers that enclose, protect, or separate compartments in living organisms and in machines. In biology, they form the boundaries of cells and organelles, controlling what passes in and out. The term can also describe thin synthetic barriers used in engineering or filtration. (2–4 sentences, ~60–70 words).
Membranes are thin, pliable barriers that enclose, protect, or separate compartments in living organisms and in machines. In biology, they form the boundaries of cells and organelles, controlling what passes in and out. The term can also describe thin synthetic barriers used in engineering or filtration. (2–4 sentences, ~60–70 words)
- Misplacing stress or over-emphasizing the second syllable, leading to MEM-braynz rather than MEM-brənz. To fix: practice with the reduced second syllable and keep stress on MEM. - Slurring the /br/ together, which muddies the consonant blend. Exercise: hold a brief pause between /mɛm/ and /brənz/ at first, then gradually blend. - Final /nz/ devoicing or excessive voicing. Keep the /z/ crisp and audible; end softly by finishing the vocal fold vibration cleanly. Practice with small-durational increments; use a mirror to confirm lip closure for /m/ and /b/ transitions.
"The cell membrane regulates the movement of nutrients and waste between the interior of the cell and its environment."
"Scientists studied the lipid bilayer membranes to understand permeability in different conditions."
"A coffee filter uses a membrane to separate solids from liquids."
Membranes is pronounced MEM-brahnz in US/UK/AU. The primary stress is on the first syllable: /ˈmɛm.brənz/ in careful IPA, with the second syllable sounding like ‘branes’ /brənz/ where the 'a' becomes a schwa-like vowel before the 'n' and 'z' sounds. Visualize the mouth: lips neutral to light rounded for the /m/ and /b/; keep the tongue high for /m/ and push air through closed lips; the /r/ in non-rhotic accents is glossed as a rhotic schwa, but in many contexts you’ll hear a gentle rhotic touch. Audio references: you can verify with Forvo or YouGlish using the word “membranes.”
Common mistakes include merging the /m/ and /b/ too quickly so the transition sounds like ‘mem-branes’ with an exaggerated stop, and misplacing the /ə/ in /brə/—think saying ‘mem-braynz’ instead of /ˈmɛm.brənz/. Another pitfall is overpronouncing the final /z/ as /s/ or /z/ with too much voicing; keep it as a clear /z/ in final position and avoid a silent or lisp-like ending. Practice by isolating /brənz/ and slowing down to ensure the /ə/ is a weak, central vowel.
In US/UK/AU all share /ˈmɛm.brənz/ with primary stress on MEM. The subtle differences: US tends to have a rhotic influence on the /r/ sound in some speakers, while UK often features a less rhotic or non-rhotic approach with a shorter /ə/; AU commonly mirrors UK rhotic tendencies slightly but may retain a more pronounced initial /m/ and a compact /ə/. The final /nz/ cluster is typically voiced in all, but vowel quality of the second syllable can shift toward a more central vowel in fast speech.
The difficulty lies in the two-consonant sequence /m/ to /b/ and the /br/ cluster without an intrusive vowel, which can cause a blurred transition for non-native speakers. The second syllable uses a reduced /ə/ followed by /nz/, which demands precise voicing and timing. Additionally, the /ən/ syllable reduces vowels quickly in rapid speech, so learners must practice maintaining a clean /brən/ transition while keeping the final /z/ audible. IPA cues: /ˈmɛm.brənz/.
A unique feature is the /br/ cluster bridging the first and second syllables and the subsequent /ən/ reduction before the final /z/. You’ll want to ensure you don’t insert a vowel sound before /br/ that makes it sound like /ˈmɛm.mə.brənz/. Focus on keeping the /br/ tight and the /ə/ quick and light, so the second syllable lands crisply as /brən/. IPA cue stays /ˈmɛm.brənz/.
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- US: emphasize rhotics in certain contexts; for “membranes” the /r/ sound is often subtle or non-rhotic depending on speaker, with a light assimilation to /ə/. Use IPA /ˈmɛm.brənz/ as base and adjust the /r/ if your accent is rhotic. - UK: typically non-rhotic; the /r/ is not pronounced unless it’s followed by a vowel. The second syllable may have a tighter schwa; aim for /ˈmɛm.brənz/ with a crisp /ə/. - AU: generally non-rhotic but with slight r-coloring; maintain a clear /br/ cluster and quick /ən/; preserve the length of /ə/ but not overemphasize. IPA reference: /ˈmɛm.brənz/ across accents.
Membrane comes from Late Latin membrana, meaning ‘a skin, parchment, or skin-like layer,’ from membrus ‘membrane, skin.’ The root membr- is linked to the Latin word for skin (membrum) and is related to the English word membrane via French membrane or directly from Latin membrana with the general sense of a thin skin or covering. The usage expanded in the 17th–19th centuries as anatomy and biology described cellular structures; the term also crossed into engineering contexts for thin films and barriers. First known English usages date to the 17th century, originally in anatomical texts describing membranes surrounding organs, later broadening to any thin, pliable barrier in natural and man-made systems. Over time, the word acquired scientific specificity, distinguishing biological lipid membranes from synthetic polymer membranes used in filtration and membranes in electronics. The semantic shift from general ‘skin’ to precise scientific boundary barriers reflects advances in microscopy, biophysics, and materials science, solidifying membranes as a universal concept for thin separating layers across disciplines.
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💡 These words have similar meanings to "membranes" and can often be used interchangeably.
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Words that rhyme with "membranes"
-nts sounds
-ins sounds
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