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tr.v. mot·tled, mot·tling, mot·tles
To mark with spots or blotches of different shades or colors.
1. A spot or blotch of color.
2. A variegated pattern, as on marble.

[Probably back-formation from motley.]

mot′tler n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mottling - the act of coloring with areas of different shades
marking - the act of making a visible mark on a surface
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
The grass, too, was less flowering, though there were still gorgeous patches mottling the greensward; and lastly, the fauna was less multitudinous.
Sheldon glanced at her sharply, and noted her face mottling, even as he looked, and turning orange and green.
The zone is characterized by thickly bedded, laminar sulphide beds and frequent mottling (increasing downhole) with a decrease in pyrite and an increase in sphalerite laminations, in addition to barite, carbonate and quartz.
lanatus) showing a mottling and mosaic symptoms were collected from Riyadh and Hail regions, Saudi Arabia in May, 2012.
Yellowing in leaves can be a sign of nitrogen or iron deficiency, but because of the irregular mottling effect you have, I suspect it is a mosaic virus.
Recognition of AASS in the field includes the identification of indicative mottling, a pH (1:1 soil: water) [less than or equal to] 4 and high electrical conductivity (EC).
Dr Vida Zohoori, pictured, a Reader in Oral Public Health and Nutrition at the University of Teesside, says the gap between the recommended daily intake of fluoride in children to prevent tooth decay and the level which could cause tooth mottling is too narrow.
Her body's pulse, blue veins, a mottling of scar, raised
If the foliage shows yellow mottling and streaking, the plants are stunted and the flower buds fail to develop, it may be due to viruses such as tulip-breaking virus, lily mosaic and lily mottle.
Vessels are unique in the placement, form and feel of the black mottling or fire clouding which stands out from the plain red-brown surface (Figures 14-16).
Description: The brown bullhead has a dark yellowish to olive-brown back and upper sides, with noticeable mottling not seen on the black bullhead or channel catfish.
The well-recognized and historically documented example of chemically induced enamel hypoplasia refers to the effects of chronic fluoride toxicity on the dentition, and although total fluoride intake will vary with total water consumption, fluoride-induced enamel hypoplasia, also referred to as fluoride mottling, is usually inconspicuous at levels below 1.0 ppm in the drinking water.