Advanced Spelling and Vocabulary: Health & Science - Difficult Word Pronunciation List

According to The Merriam-Webster Dictionary, "not all educated speakers pronounce words the same way."

Lesson Track Time Signature Spelling Word Pronunciation on CD An Alternate Pronunciation Notes
One 2 0:32 homeostasis hoh-mee-oh-stah-sis hoh-mee-oh-stay-sis  
One 2 3:42 quinine kwĭ-neen kwī-nīn (Dr. Webster accidentally mispronounced this word during the contextual sentence, but it is not a list word.)
Two 5 3:53 homologous hoh-muh-loh-jəs huh-mŏl-uh-guhs (Dr. Webster accidentally mispronounced this word during the contextual sentence, but it is not a list word.)
Three 6, 7 0:31, 0:45 phalanges fuh-lan-jəz fuh-lan-jeez  
Four 8 6:41 dicotyledon dī-kŏt-lē-dŏn dī-kŏt-l-ēd-n  
Four 8 6:53 cotyledon kŏt-lē-dŏn kŏt-l-ēd-n  
Four 9 7:42 viviparous vĭ-vĭ-par-əs vī-vĭp-ər-əs This word is pronounced correctly on track 8 but mispronounced on track 9.

The bold syllable indicates a word's primary stress.

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