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- Dictionaryleaf/liːf/
noun
- 1. a flattened structure of a higher plant, typically green and blade-like, that is attached to a stem directly or via a stalk. Leaves are the main organs of photosynthesis and transpiration: "many of the trees had lost their leaves" Similar
- 2. a thing that resembles a leaf in being flat and thin.
verb
- 1. (of a plant, especially a deciduous one in spring) put out new leaves: "many plants need a period of dormancy before they leaf and flower" Similar
- 2. turn over (the pages of a book or the papers in a pile), reading them quickly or casually: "he leafed through the stack of notes" Similar
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The meaning of LEAF is a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and functions primarily in food manufacture by photosynthesis.
LEAF definition: 1. one of the flat, usually green parts of a plant that are joined at one end to the stem or…. Learn more.
noun. the main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalk foliarfoliate. foliage collectively.
LEAF meaning: 1. one of the flat, usually green parts of a plant that are joined at one end to the stem or…. Learn more.
Aug 19, 2017 · The term leaf refers to the organ that forms the main lateral appendage on the stem of vascular plants. In general, leaves are thin, flat organs responsible for the photosynthesis of the plant. Although photosynthesis typically only occurs on the upper surface of the leaf, it can occur on both sides in some plant species.
Leaves consist of an outer tissue layer (the epidermis) through which water and gases are exchanged, a spongy inner layer of cells that contain chloroplasts, and veins that supply water and minerals and carry out food. Some leaves are simple, while others are compound, consisting of multiple leaflets.
A leaf is part of a plant that's usually green and attached to it by a stem or stalk. In the fall, the leaves of many trees turn various bright colors before falling to the ground. In the spring, trees grow new leaves. Ahhh, the circle of life. A plant's leaves are the organs that take part in photosynthesis, which brings it needed nutrients.
The leaves of a tree or plant are the parts that are flat, thin, and usually green. Many trees and plants lose their leaves in the winter and grow new leaves in the spring.
[countable] a flat green part of a plant, growing from a stem or branch or from the root. lettuce/cabbage/oak leaves. the dead leaves of autumn/the fall. The leaves on the trees were beginning to turn from green to orange. in leaf Few trees are in leaf yet. The trees are just coming into leaf. Collocations The living world.
a flat, green part of a plant that grows from a stem or branch: an oak leaf. a lettuce leaf. the falling leaves. Fewer examples. a maple leaf. autumn leaves. A lot of trees shed their leaves in the autumn. You can recognize trees by the shape of their leaves. By winter, all the leaves had fallen off the trees. Idioms. take a leaf out of sb's book.
