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The portion of the respiratory tract that is ventilated but not perfused by pulmonary circulation.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, physiology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Picture information that is either masked off or cropped out of viewing area, whether at the top or bottom, or to the sides.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: broadcasting, film, media, television
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
An unusable space.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: architecture
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
No etymology was provided for this word.