3 syllables: Mol, e, cules. Stress on Mol.
MAH-luh-kyoolz
/ˈmɑləˌkjulz/
Molecules is pronounced MAH-luh-kyoolz (/ˈmɑləˌkjulz/). It has three syllables (Mol-e-cules), with the stress on "Mol". Molecules is the plural of molecule: a chemical unit composed of two or more atoms bonded together. In science discussion, it refers to a discrete group of atoms forming a distinct chemical entity. The term is common in chemistry and biology contexts, used when describing structures, reactions, or properties at the molecular level.
nounMolecules is the plural of molecule: a chemical unit composed of two or more atoms bonded together. In science discussion, it refers to a discrete group of atoms forming a distinct chemical entity. The term is common in chemistry and biology contexts, used when describing structures, reactions, or properties at the molecular level.
- Commonly, people misplace the stress by saying MOL-e-cules instead of MO-le-cules. Keep primary stress on the first syllable: /ˈmɒl.ɪ.kjuːlz/. - The /l/ and /kjuː/ sequence can blur into a single sound if spoken quickly; practice with slow, deliberate segments: MO - LE - CULES, then blend. - Final /z/ may become /s/ or /z/ depending on context; note voicing and the neighbor sounds for voiceless vs voiced ending. - Some learners mispronounce the middle /ɪ/ as /iː/; ensure short, lax vowel for /ɪ/ in MO-LE-cules.
"Researchers studied the behavior of water molecules under extreme temperatures."
"The peptide molecules folded into a unique three-dimensional shape."
"Small organic molecules can act as catalysts in chemical reactions."
Pronounce as MO-LEC-ULES, with primary stress on the first syllable: /ˈmɒl.ɪ.kjuːlz/ in US and UK; AU follows the same pattern. The middle syllable contains /lɪ/ or /lɪ/ depending on speed, and the final syllable is /-kjuz/ or /-klz/? Correct form: /ˈmɒ.lɪ.kjuːlz/. Practically, start with /ˈmɒl/ then glide into /ɪ.kjuːlz/. Audio reference you can check: Pronounce resources or Cambridge audio sample for /ˈmɒl.ɪ.kjuːlz/.
Common errors: misplacing stress (say ‘mol-e-cules’ with incorrect stress), mispronouncing the /l/ sequence and the /kj/ cluster. Correct by ensuring primary stress on MO- and treating /kjuː/ as a unit rather than separate syllables. Another error is softening the /l/ in the middle syllable or pronouncing /j/ as a separate consonant in isolation; practice with minimal pairs focusing on the /lɪ.kjuː/ transition.
In US, UK, and AU, the initial /ˈmɒl/ is similar, but rhoticity affects the final /z/ mostly in connected speech; Americans may have a slightly more pronounced /ɹ/ in some connected contexts; but the word remains non-rhotic in standard UK and AU accents when alone. The central challenge is the /kj/ cluster, perceived as /kjuː/ in all three accents; Australians might flatten the /ɒ/ to a broader /ɒ/ or /ɔː/ depending on region.
Difficult because of the /l/ + /j/ (treated as /lj/ in some pronunciations) and the /ɪ/ vs /ɒ/ vowel distinction in the first syllable, plus the /kj/ cluster leading into /uː/ or /juː/. The transition from the vowel of MO to the /l/ and then to /kjuː/ requires precise articulatory timing to avoid an extra syllable or slurring. Practice with slow enunciation focusing on the sequence MO-LEC-U-LES.
Unique feature: the /kj/ sequence in the third syllable forms a strong palatalized onset that can be subtle in rapid speech; avoid turning it into /kju/ or /kulu/—keep it as /kj/ followed by /uː/ or /juː/ depending on the speaker. Visualize the tongue lifting toward the hard palate for the /kj/ portion, then glide into /uː/.
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- US: rhotic influence in connected speech is minimal for this word; preserve /ˈmɒl.ɪ.kjuːlz/ with clear /kj/ onset. - UK: emphasize non-rhoticity; keep /ˈmɒ.lɪ.kjuːlz/ with a crisp /l/ and palatal /kj/ sequence. - AU: tends to be closer to UK pronunciation; maintain the /ɒ/ vowel quality and the /kj/ onset; in some regions, /ɒ/ may shift slightly toward /ɔː/. IPA references: US /ˈmɒl.ɪ.kjuːlz/, UK /ˈmɒ.lɪ.kjuːlz/, AU /ˈmɒ.lɪ.kjuːlz/.
Molecule derives from the French molécule, borrowed from medieval Latin molecula, a diminutive form of moles ‘mass, pile’ from Latin moles ‘mass, bulk.’ The root moles is related to the Greek malen or holos? While the exact lineage is debated, the earliest Latinized form molecula appeared in the 15th century scientific vocabulary, influenced by Latin mole- ‘mass’ and the suffix -cula indicating smallness. The term gained prominence in 19th-century chemistry as scientists formalized structural theory, enabling precise discussion of discrete chemical units. The notion of molecules as identifiable, bounded assemblies of atoms solidified with the rise of atomic theory and structural chemistry, culminating in foundational texts by Cannizzaro and Avogadro’s concepts, and later modern molecular realism in spectroscopy and quantum chemistry.
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Words that rhyme with "Molecules"
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