thin

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thin

1. (of a photographic negative) having low density, usually insufficient to produce a satisfactory positive
2. Mountaineering a climb or pitch on which the holds are few and small
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

thin

[thin]
(meteorology)
In aviation weather observations, the description of a sky cover that is predominantly transparent.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Our studies compared the accuracy of spacing, weed control and impact on lettuce head drop (Sclerotinia minor) of automated thinning and manual thinning in direct-seeded lettuce.
Fruit thinning/strand thinning is one of the major practices that often helps in overcoming these problem in addition it improves fruit quality reduces bunch compactness increases adequate flowering for the coming season (Moustafa 1997; Hassan et al.
Lack of funds has prevented forest thinning from being carried out in recent years and there is concern for social problems that will result from the devastation of forests.
To calculate net ecosystem productivity, [R.sub.h] needs to be distinguished from root autotrophic respiration, and few partitioned data is available for thinning management of forests.
In this case, the condition is called androgenic alopecia, and among women is seen as a general thinning of the hair all over the head.
The shear thinning characteristics of the same selected polymers, loaded at 25 parts by volume with N660 carbon black, were measured by both the capillary rheometer and the RPA, and figure 16 shows the very good correlation between the shear thinning measurements.
Among the children matched to farmworkers who reported thinning, we observed a detection frequency for urinary DMTP of 92%, with a limit of detection of 1.1 [micro]g/L.
The likely cause of the thinning, says Shepherd, is relatively warm water beneath the ice shelf.
What this would seem to foretell is the steady thinning of bioethics to the point that it disappears altogether.
Mudslinging aside, evidence suggests that thinning forests can in some situations lead to more manageable combustion.
Treatments consisted of hybrids (10/yr) and border row thinning (thinned or non-thinned).