SINCE 1828
air sac
nounDefinition of air sac
1
: one of the air-filled spaces in the body of a bird connected with the air passages of the lungs
3
: a thin-walled dilation of a trachea occurring in many insects
Examples of air sac in a Sentence
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As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Fans Rally Behind Whoopi Goldberg After She Says "Came Close to Leaving the Earth"," 8 Mar. 2019 This compensates for the fundamental problem of late-stage emphysema: As tiny air sacs are destroyed, air gets trapped in diseased regions, causing overinflation that leaves sufferers literally stuck holding more and more of their breath. — Marie Mccullough, Philly.com, "Emphysema patients get new option as FDA approves lung valves studied at Temple," 29 June 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'air sac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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