1 Increasing thoracic volume results in decreased pleural pressure, increased alveolar volume, decreased alveolar pressure, and air movement into the lungs.  Decreasing thoracic volume results in increased pleural pressure, decreased alveolar volume, increased alveolar pressure, and air movement out of the lungs.
Freebase(5.00 / 1 vote)Rate this definition: Orchard. An orchard is an intentional planting of trees or shrubs that is maintained for food production. Orchards comprise fruit or nut-producing trees which are grown for commercial production. Orchards are also sometimes a feature of large gardens, where they serve an aesthetic as well as a productive purpose.
Meaning: Sweet pulpy tropical fruit with thick scaly rind and shiny black seeds. Classified under: Nouns denoting foods and drinks. Synonyms: anon; sugar apple; sweetsop. Hypernyms (anon is a kind of...): custard apple (the fruit of any of several tropical American trees of the genus Annona having soft edible pulp) Holonyms (anon is a part of...): Annona squamosa; sweetsop; sweetsop tree (tropical American tree bearing sweet pulpy fruit with thick scaly rind and shiny black seeds) â¢ ANON (adverb)