| scattered radiation | Secondary radiation emitted from the interaction of X-rays with matter; generally lower in energy, with a directional distribution which depends on the energy of the incident radiation. Synonym: secondary radiation. (05 Mar 2000) |
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| scattergram | Graphical display of distribution of two variables in relation to each other. Origin: scatter + G. Gramma, something written (05 Mar 2000) |
| scattering | <radiobiology> The deflection of one particle as a result of collisions with other particles or with waves. See: Elastic. (09 Oct 1997) |
| scattering, radiation | The process in which energy is removed from a beam of light or other electromagnetic radiation and emitted without appreciable change in wavelength. May be considered as the change in direction of a particle or photon owing to a collision with another particle or system. (12 Dec 1998) |
| scatula | A square pillbox. Origin: Mediev. L. A rectangular figure whose width is one-tenth of its length (05 Mar 2000) |
| scaup | 1. A bed or stratum of shellfish; scalp. 2. <zoology> A scaup duck. See below. <zoology> Scaup duck, any one of several species of northern ducks of the genus Aythya, or Fuligula. The adult males are, in large part, black. The three North American species are: the greater scaup duck (Aythya marila, var. Nearctica), Synonym: broadbill, bluebill, blackhead, flock duck, flocking fowl, and raft duck; the lesser scaup duck (A. Affinis), Synonym: little bluebill, river broadbill, and shuffler; the tufted, or ring-necked, scaup duck (A. Collaris), Synonym: black jack, ringneck, ringbill, ringbill shuffler, etc. The common European scaup, or mussel, duck (A.marila), closely resembles the American variety. See: Scalp a bed of oysters or mussels. Source: Websters Dictionary (01 Mar 1998) |
| scavenger | An animal (such as a vulture or coyote) that eats carcasses abandoned by predators, digs through trash cans for food, etc., true scavengers seldom kill their own prey (but many animals are not exclusively scavengers). (09 Oct 1997) |
| scavenger cell | One of a diverse group of white blood cells with the capacity to engulf and destroy foreign material, dead tissues and cells. See: Phagocytosis. (09 Oct 1997) |
| scald |
any disease symptom such as a lesion that looks like a scald from boiling water; the lesions are usually bleached and may be partly translucent.
Ãâó: www.anbg.gov.au/glossary/webpubl/fungloss.htm
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| scar |
ring scar on the side of a flower bud left by the loss of the outer operculum
Ãâó: www.anbg.gov.au/cpbr/cd-keys/Euclid/sample/html/gl...
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| scab |
a discrete, superficial lesion involving localised severe roughening or pitting; more commonly abnormal thickening of the surface layers, with or without the development of cork (Holliday, 1989).
Ãâó: www.anbg.gov.au/glossary/webpubl/fungloss.htm
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| scavenger |
[SKAV-en-jer] an animal that feeds on the remains of dead plant or animal matter.
Ãâó: members.aol.com/YESedu/glossary.html
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| scab |
Miner who works when others are on strike. A highly derogatory name.
Ãâó: members.tripod.com/~RWUHP/hp/hppgc/mining/page4.ht...
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| SCA | short underpants for women or children (usually used in the plural) |
|---|---|
| SCA | lacking in amplitude or quantity |
| SCA | erect leafless flower stalk growing directly from the ground as in a tulip |
| SCA | someone punished for the errors of others |
| SCA | a reckless and unprincipled reprobate |
| SCA | New World spadefoot toads |
| SCA | of plains and hills and river bottoms in areas of low rainfall east of the Rocky Mountains |
| SCA | of California |
| SCA | of the United States southwest |
| SCA | congenital malformation of the skull which is long and narrow |
| SCA | (anatomy) shaped like a boat |
| SCA | the largest wrist bone on the thumb side |
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