3 syllables: her, bi, cides. Stress on her.
UR-buh-seyedz
/ˈɝbəˌsaɪdz/
herbicides is pronounced UR-buh-seyedz (/ˈɝbəˌsaɪdz/). It has three syllables (her-bi-cides), with the stress on "her". Herbicides are chemical substances used to kill unwanted vegetation, especially weeds, in agricultural or managed landscapes. They act by inhibiting growth, disrupting metabolic processes, or damaging cell structures in plants. This term covers various classes, including selective and non-selective agents, applied through spraying, soil treatment, or foliar absorption to protect crops or ecosystems.
Herbicides are chemical substances used to kill unwanted vegetation, especially weeds, in agricultural or managed landscapes. They act by inhibiting growth, disrupting metabolic processes, or damaging cell structures in plants. This term covers various classes, including selective and non-selective agents, applied through spraying, soil treatment, or foliar absorption to protect crops or ecosystems.
"The farmer chose a selective herbicide to target weeds without harming the corn."
"Herbicides must be handled with care to prevent environmental contamination and ensure worker safety."
"A new herbicide was approved after demonstrating effective weed control with minimal impact on non-target species."
US/UK/AU pronunciation centers on /ˈhɜːr.baɪ.dɪz/ or /ˈhɜːr.bɪ.daɪdz/ depending on vowel choice. In US, many speakers articulate as HUR-byd-iz with a rhotic initial. The second syllable often receives a light schwa before the -cides suffix, and the final -des is voiced /-dɪz/ or /-daɪdz/. Break it as two beats: HUR-bide-yez (approx). IPA references: US /ˈɜːrˌbaɪ.dɪz/; UK /ˈhɜː.baɪ.dɪz/; AU /ˈhɜː.bɪ.dəs/ depending on speaker. Focus on the first stress-: HER-bih-diz.
Common errors include misplacing stress (placing it on the second or third syllable), mispronouncing the /ɜː/ or /ɜːr/ as a flat /ɜː/ or /ɚ/, and misreading the -cide suffix as /-saɪdz/ instead of /-dɪz/ or /-daɪdz/. To correct: emphasize first syllable with a clear /ɜː/ or /ɝ/; render the middle as /baɪ/; end with /dɪz/ or /daɪdz/ depending on context. Practicing with minimal pairs will help distinguish the /d/ followed by a voiced sibilant.
In US, word-final /-dɪz/ with rhotic /ɜːr/ in stressed initial syllable; UK tends to /ˈhɜːˌbaɪ.dɪz/ with non-rhotic r? typically /ˈhɜː.baɪ.dɪz/; AU often merges /ɜː/ to /ɜː/ with less rhoticity but similar rhythm; some speakers reduce the /baɪ/ to /bəɪ/ or /bɪ/ in rapid speech. Overall, the core is /ˈhɜːr.baɪ.dɪz/ with variation mainly in rhoticity and vowel quality of /ɜː/ and the reduced middle vowel.
The difficulty lies in the multi-syllabic structure with a strong initial cluster and a diphthong in the second syllable. The /ˈhɜːr/ segment requires accurate placement of the tongue for the rhotic /ɜːr/ in American English; the /baɪ/ diphthong demands a precise glide from /aɪ/ to /ɪ/. Finally, the -cides ending /dɪz/ can be mispronounced as /dz/ or /dzɪz/. Focusing on the correct sequence and ensuring the consonant cluster at the start lands clearly helps.
A practical tip is to segment and practice: H-UR-bye-diz. Start with /ˈhɜːr/ (US /ˈɝˌ/), then glide into /baɪ/ (like 'bye'), then finish with /dɪz/ (not /dɪzɪz/). Keep the mouth open for the /ɜːr/ and avoid flipping to /ɚ/ in careful speech. Voice transitions between syllables should stay smooth, not clipped. Rehearse slowly, then accelerate.
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Herbicide derives from the combination of herb- (from Latin herba, meaning herb or grass, and also signifying green vegetation) and -cide (from Latin caedere, to cut down or kill). The term first appears in English in the early 20th century amid the rise of synthetic weed control compounds and agricultural chemistry. Initially, “herbicide” referred broadly to any agent that kills unwanted plants; as chemical classes diversified, the plural form herbicides became common to describe multiple chemical agents. The root herba traces to Latin, accompanying the concept of green plants, while -cide historically signals killing. Over time, the word evolved from general plant-killing substances to a defined category including selective and non-selective chemicals, selective to certain species or stages of growth, with regulatory emphasis on environmental safety and application methods. The term is now standard in agronomy, horticulture, and environmental science, used across policy, labeling, and industry discourse to distinguish herbicidal chemicals from other crop protection products.
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Words that rhyme with "herbicides"
-ers sounds
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