air sac

noun

a sac containing air.

alveolus (def. 2).

any of certain cavities in a bird's body connected with the lungs.

a saclike dilation of the wall of a trachea in many insects.

Origin of air sac

First recorded in 1820–30

Words nearby air sac

air rifle, air right, air root, air route, airs, air sac, air scoop, Air Scout, airscrew, air-sea rescue, air service

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for air sac

These animals are said to possess an air-sac in the throat, at the back of the trachea (or windpipe), as in Ateles.
A Hand-book to the Primates, Volume 1 (of 2)|Henry O. Forbes

British Dictionary definitions for air sac

air sac

noun

any of the membranous air-filled extensions of the lungs of birds, which increase the efficiency of gaseous exchange in the lungs

any of the thin-walled extensions of the tracheae of insects having a similar function

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for air sac

air sac

n.

A tiny, thin-walled, capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place.alveolar sac

Scientific definitions for air sac

air sac

An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation.

See alveolus.

A saclike enlargement in the trachea of an insect.

A baglike piece of skin or tissue below the jaw of certain animals, such as the bullfrog and orangutan, that can be inflated to increase sound production.

单词	air sac
释义	air sac noun a sac containing air. alveolus (def. 2). any of certain cavities in a bird's body connected with the lungs. a saclike dilation of the wall of a trachea in many insects. Origin of air sac First recorded in 1820–30 Words nearby air sac air rifle, air right, air root, air route, airs, air sac, air scoop, Air Scout, airscrew, air-sea rescue, air service Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for air sac These animals are said to possess an air-sac in the throat, at the back of the trachea (or windpipe), as in Ateles. A Hand-book to the Primates, Volume 1 (of 2)\|Henry O. Forbes British Dictionary definitions for air sac air sac noun any of the membranous air-filled extensions of the lungs of birds, which increase the efficiency of gaseous exchange in the lungs any of the thin-walled extensions of the tracheae of insects having a similar function Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for air sac air sac n. A tiny, thin-walled, capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place.alveolar sac The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for air sac air sac An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation. See alveolus. A saclike enlargement in the trachea of an insect. A baglike piece of skin or tissue below the jaw of certain animals, such as the bullfrog and orangutan, that can be inflated to increase sound production. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
随便看	sea cucumber sea dahlia sea devil seadog sea-doo seadrome sea duck echelette echelon echeveria echeverría echeverría álvarez echidna echinacea echinate echino- echinococcosis echinococcus echinococcus cyst echinoderm echinodermatous echinoid echinulate echinus echium