Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. It is a passive process that requires no energy expense by the …

transpiration, in botany, a plant’s loss of water, mainly through the stomata of leaves. Stomatal openings are necessary to admit carbon dioxide to the leaf interior and to allow oxygen to escape during …

Oct 4, 2019 · Transpiration is the evaporation of water from plants. Most of the water absorbed by the roots of a plant—as much as 99.5 percent—is not used for growth or metabolism; it is excess water, …

The atmosphere to which the leaf is exposed drives transpiration, but also causes massive water loss from the plant. Up to 90 percent of the water taken up by roots may be lost through transpiration.

Jun 12, 2018 · Transpiration occurs when plants take up liquid water from the soil and release water vapor into the air from their leaves. In order to understand evapotranspiration, let’s explore what …

Apr 18, 2024 · Transpiration is defined as water loss in the form of water vapor from the internal tissues of aerial parts of the plant body under the influence of sunlight and regulated to some extent by the …

Aug 5, 2025 · Transpiration is the process by which plants release water vapor into the atmosphere, primarily through their leaves. It is a continuous, natural process, similar to how humans sweat to …

Nov 19, 2025 · Transpiration is the process by which plants release excess water as water vapour through their stomata, stems, or other plant parts. Water is essential for normal cell functioning, and …

The meaning of TRANSPIRATION is the act or process or an instance of transpiring; especially : the passage of watery vapor from a living body (as of a plant) through a membrane or pores.

Transpiration refers to the loss of water vapor through plant stomata, mainly in the leaves. Hot, dry, and windy conditions increase transpiration rate.