4 syllables: A, ne, cho, ic. Stress on cho.
an-ik-OH-ik
/ˌæn.ɪˈkoʊɪk/
Anechoic is pronounced an-ik-OH-ik (/ˌæn.ɪˈkoʊɪk/). It has four syllables (A-ne-cho-ic), with the stress on "cho". Anechoic is an adjective describing a space or environment that is completely free of sound or with sound that is absorbed, creating near-total silence. It is often used in technical or scientific contexts to describe chambers designed to minimize echoes and external noise, producing an almost inaudible acoustic environment.
adjectiveAnechoic is an adjective describing a space or environment that is completely free of sound or with sound that is absorbed, creating near-total silence. It is often used in technical or scientific contexts to describe chambers designed to minimize echoes and external noise, producing an almost inaudible acoustic environment.
How to Pronounce Anechoic
"The laboratory features an anechoic chamber where engineers test ultra-sensitive microphones."
"Researchers recorded stimuli inside an anechoic room to eliminate reverberation."
"Speech therapists may measure voice pitch and clarity in anechoic conditions for precise assessment."
Pronounce as /ˌæn.ɪˈkɔɪ.ɪk/. The primary stress lands on the third syllable: an-eh-KOY-ik. Start with a light ‘a’ as in cat, followed by a soft ‘n’, then a short ‘ih’ or schwa for the second syllable, ‘KOY’ rhymes with ‘boy’, and finish with a clear ‘ik’ as in ‘stick’. Visualize the lips rounding slightly on the ‘ɔɪ’ vowel cluster. IPA guidance helps ensure you’re not hissing or flattening the vowels in the final syllable.
Two frequent errors are misplacing stress and mispronouncing the diphthong in the second-to-last syllable. People often place primary stress on the first or second syllable instead of on the third, yielding an ‘an-ECK-wick’ feel. Also, the ‘ɔɪ’ in ‘KOY’ should be a rounded diphthong; avoid a pure ‘aw’ or ‘o’ sound. Practice by isolating the KOY syllable and blending it smoothly with a crisp final ‘ik’.
In US, UK, and AU, the main variation is the /ɔɪ/ diphthong and rhotacization. US typically maintains a stronger rhotacized ‘er-like’ quality in some surrounding words, but in this word the /ɔɪ/ remains a rounded diphthong in all three accents. UK may show less aggressive vowel rounding and tighter jaw movement, while AU often features slightly more open front vowels in the first syllable and a clipped final syllable. Overall, the rhythm and syllable-timing align closely across these varieties for this term.
The difficulty centers on the three-syllable rhythm with a stressed mid-to-late syllable and the precise /ɔɪ/ diphthong in the third syllable. The combination of a secondary stress pattern and the transition from a light, unstressed initial syllable to a strong KOY sound can cause vowel reduction or misplacement of the tongue. Additionally, many speakers add an extra syllable or misplace the stress, creating mispronunciations like ‘an-NECK-oh-ik’ instead of the right ‘an-ih-KOY-ik’. Careful practice with IPA helps anchor the exact vowel quality and stress.
Anechoic contains no silent letters; each letter contributes to pronunciation. The tricky part is the secondary stress and the /ɪ/ vs /i/ distinction in the second syllable. Also, the /k/ onset in the final syllable must be clearly released before the /ɔɪ/ vowel, avoiding a fused or muffled transition. Visualizing mouth positions for each segment—start with a light /æ/ or /æ/ like ‘cat’, glide into /n/ then a distinct /ɪ/ before the /ˈkoɪ/ and a crisp /k/—helps solidify the accurate sequence.
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Anechoic comes from the Greek prefix an- meaning ‘without’ or ‘not’, and echoes from mèdeia? no; it derives from the Greek word echos meaning ‘sound, noise’ combined with the suffix -ic to form an adjective. The form implies literally ‘without echoes/sound’ in reference to spaces designed to suppress sound reflections. The term entered scientific usage in the early 20th century as acoustic chambers and sound isolation technologies advanced, particularly in aeronautics and psychoacoustics. The concept aligns with other scientific terms using Greek roots to denote absence or suppression of a feature (e.g., anhydrous from an-‘without’ + hydor ‘water’). Early reports described specialized rooms lined with deep, non-reflective materials to absorb sound energy rather than reflecting it, shaping testing protocols for audio equipment, hearing research, and noise control. Over time, “anechoic chamber” became a standard phrase in acoustics and engineering, with first known published uses appearing in technical journals and conference proceedings from the 1920s–1930s, and it has remained a staple term as sound measurement and silent environments expanded into medical, industrial, and consumer technologies.
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Words that rhyme with "Anechoic"
-ach sounds
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