dead space

English

Alternative forms

• deadspace

Noun

dead space (countable and uncountable, plural dead spaces)

1. (physiology) The portion of the respiratory tract that is ventilated but not perfused by pulmonary circulation.
2. (film) Picture information that is either masked off or cropped out of viewing area, whether at the top or bottom, or to the sides.

Derived terms

• alveolar dead space
• anatomical dead space
• physiological dead space