| 释义 |
exfoliation
ex·fo·li·ate E0273900 (ĕks-fō′lē-āt′)v. ex·fo·li·at·ed, ex·fo·li·at·ing, ex·fo·li·ates v.tr.1. To remove (a layer of bark or skin, for example) in flakes or scales; peel.2. To cast off in scales, flakes, or splinters.v.intr. To come off or separate into flakes, scales, or layers.
[Latin exfoliāre, exfoliāt-, to strip of leaves : ex-, ex- + folium, leaf; see bhel- in Indo-European roots.]
ex·fo′li·a′tion n.ex·fo′li·a′tive adj.ex·fo′li·a′tor n.Thesaurus| Noun | 1. | exfoliation - the peeling off in flakes or scales of bark or dead skin; "exfoliation is increased by sunburn"organic phenomenon - (biology) a natural phenomenon involving living plants and animals | | 2. | exfoliation - a thin flake of dead epidermis shed from the surface of the skinscurf, scalechip, fleck, scrap, bit, flake - a small fragment of something broken off from the whole; "a bit of rock caught him in the eye"dander - small scales from animal skins or hair or bird feathers that can cause allergic reactions in some peopledandruff - loose scales shed from the scalp; "I could see the dandruff on her shoulders" |
TranslationsExfoliation
exfoliation[eks‚fō·lē′ā·shən] (geology) sheeting (medicine) The separation of bone or other tissue in thin layers. A peeling and shedding of the horny layer of the skin. (metallurgy) Peeling off or separation of metal at its surface in the form of thin, parallel scales or lamellae. (petrology) The breaking off of thin concentric shells, sheets, scales, plates, and so on, from a rock mass; measuring less than a centimeter to several meters in thickness, the loosened rock is spalled, peeled, or stripped. (science and technology) Flaking away or peeling off in scales. ExfoliationAction caused by weathering or salt decay, resulting in the flaking off of surface layers of stone.exfoliationPeeling, swelling, or scaling of stone or mineral surfaces in thin layers; caused by chemical or physical weathering or by heat. Minerals such as vermiculite expand to many times their original size when heat-treated.exfoliation
exfoliation [eks-fo″le-a´shun] 1. a falling off in scales or layers.2. the normal loss of primary teeth after loss of their root structure. adj., adj exfo´liative.lamellar exfoliation of newborn a congenital hereditary disorder in which the infant is born covered with a collodionlike or parchmentlike membrane that peels off within 24 hours, after which there may be complete healing, or the scales may reform and the process may be repeated. In the more severe form, the infant (fetus" >harlequin fetus) is covered with thick, horny, armorlike scales and usually either is stillborn or dies shortly after birth. Called also ichthyosis congenita and lamellar ichthyosis of newborn.ex·fo·li·a·tion (eks'fō-lē-ā'shŭn), 1. Detachment and shedding of superficial cells of an epithelium or from any tissue surface. 2. Scaling or desquamation of the horny layer of epidermis, which varies in amount from minute quantities to shedding the entire integument. 3. Loss of deciduous teeth following physiologic loss of root structure. [Mod. L. fr. L. ex, out, + folium, leaf] ex·fo·li·a·tion (eks-fō'lē-ā'shŭn) 1. Detachment and shedding of superficial cells from any tissue surface. 2. Scaling or desquamation of the horny layer of epidermis. 3. Loss of deciduous teeth following physiologic loss of root structure. [Mod. L. fr. L. ex, out, + folium, leaf]exfoliation Shedding of cells from a surface, such as the skin. In exfoliative dermatitis, much of the surface of the skin peels off or is shed.ex·fo·li·a·tion (eks-fō'lē-ā'shŭn) 1. Loss of deciduous teeth following physiologic loss of root structure. 2. Detachment and shedding of superficial cells of an epithelium or from any tissue surface. 3. Scaling or desquamation of the horny layer of epidermis. [Mod. L. fr. L. ex, out, + folium, leaf]exfoliation
Related to exfoliation: exfoliation corrosionSynonyms for exfoliationnoun the peeling off in flakes or scales of bark or dead skinRelated Wordsnoun a thin flake of dead epidermis shed from the surface of the skinSynonymsRelated Words- chip
- fleck
- scrap
- bit
- flake
- dander
- dandruff
|