4 syllables: Ho, mo, log, ous. Stress on mo.
hah-MAH-luh-guhs
/hɑˈmɑləɡəs/
Homologous is pronounced hah-MAH-luh-guhs (/hɑˈmɑləɡəs/). It has four syllables (Ho-mo-log-ous), with the stress on "mo". Homologous (adjective) describes structures or parts that are derived from a common ancestor and thus share a fundamental similarity in position, origin, or evolutionary origin. In biology, it often refers to features in different species that arose from the same ancestral structure, even if their current function differs. The term also appears in genetics and comparative anatomy to denote corresponding parts.
nounHomologous (adjective) describes structures or parts that are derived from a common ancestor and thus share a fundamental similarity in position, origin, or evolutionary origin. In biology, it often refers to features in different species that arose from the same ancestral structure, even if their current function differs. The term also appears in genetics and comparative anatomy to denote corresponding parts.
"The homologous bones in a bat wing and a human forelimb reveal their shared ancestry."
"Researchers compared homologous chromosomes to map inherited traits."
"In plants, homologous chromosomes pair during meiosis to ensure accurate segregation."
US: /hoʊˈmɒlədʒəs/ or /hoʊˈmɒlədʒəs/ depending on speaker; primary stress on the second syllable MOL, with a soft schwa in -o- and a -gous ending that sounds like /ɡəs/. UK: /hɒˈmɒl.ə.ɡəs/ with similar stress pattern; AU: /hɒˈmɒl.ə.ɡəs/ or /hoʊˈmɒl.ə.ɡəs/ in some speakers. Visual cue: focus on lifting the middle syllable; keep the final /əs/ light.
Common errors include stressing the wrong syllable (placing primary stress on HO- or HO-MO- instead of MOL), pronouncing the middle /lɒ/ as a hard /lɒ/ with too strong a vowel, and coalescing the -gous into a hard /ɡəs/ without a proper soft /dʒ/ or /j/ transition. To correct: place primary stress on MOL, pronounce the middle syllable with a clear schwa in the /lə/ portion, and end with a light /əs/. Practice the sequence ho-MOL-ə-gəs with a quick, light /g/ before /əs/.
US tends to use /ˌhoʊ.məˈlɒ.dʒəs/ with rhoticity and a strong /ɡ/ before /əs/. UK often yields /ˌhɒ.məˈlɒ.dʒəs/ with non-rhotic /r/ absence and shorter /ɒ/ in the first syllables. Australian typically merges vowels toward /ɒ/ and maintains a clear /dʒ/ in the third syllable; final /əs/ remains light. The primary stress remains on MOL across accents; vowel qualities in the first two syllables shift slightly with regional vowel inventories.
Difficulty comes from the three-syllable structure with mid-stress rhythm and a consonant cluster with /l/ plus /dʒ/ in the third syllable. The /ɒ/ vs /ə/ vowel mismatch in the second syllable can cause mispronunciation if you over-relax or tilt the middle vowel. Also the /dʒ/ sound in -jous requires a precise palate placement, not a simple /d/ + /ʒ/ blend. Practice: MOL-ə-ɡəs, with a soft, brief /əl/ transition and a clear /dʒ/ before the final /əs/.
No syllable is entirely silent, but the main pitfall is the pronunciation of /dʒ/ as /j/ or /ʒ/ or dropping it, and misplacing the primary stress. The second syllable bears the strong primary stress in most dialects, so you’ll hear MOL as the anchor; the /dʒ/ should be a distinct palatal affricate, not a soft /j/ glide. Also ensure the final /əs/ is not reduced to a vowel-only ending in careful speech.
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Homologous originates from the Greek homos (same) and logos (relation, word, or reason) through Latin and then Late Latin homologus, from which it entered English in scientific contexts. The term was adopted in biology to describe duplicated or corresponding body parts across species that share a common origin, even if their current function differs. Its first documented usage in a modern scientific sense traces to the early 19th century as anatomy and embryology developed comparative methods. Over time, homologous came to designate equal parts, positions, or chromosomes that are related by descent, as opposed to non-homologous or heterologous elements. In genetics, homologous chromosomes pair during meiosis, maintaining genetic alignment. The broader sense of “sharing ancestry or origin” remains central in comparative anatomy, developmental biology, and evolutionary theory, reinforcing the notion that morphology often reflects deep evolutionary kinship.
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Words that rhyme with "Homologous"
-ous sounds
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