| modeling composition | A thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. Synonym: impression compound, modeling composition, modeling compound. (05 Mar 2000) |
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| base composition | <biochemistry> In reference to nucleic acid, the proportion of the total bases consisting of guanine plus cytosine or thymine plus adenine base pairs. Usually expressed as a guanine + cytosine (G+C) value, for example 60% G+C. (09 Oct 1997) |
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| composition | In chemistry, the kinds and numbers of atoms constituting a molecule. Origin: L. Compono, to arrange (05 Mar 2000) |
| modeling | 1. In learning theory, the acquiring and learning of a new skill by observing and imitating that behaviour being performed by another individual. 2. In behaviour modification, a treatment procedure whereby the therapist or another significant person presents (models) the target behaviour which the learner is to imitate and make part of his repertoire. 3. A continuous process by which a bone is altered in size and shape during its growth by resorption and formation of bone at different sites and rates. (05 Mar 2000) |
| modeling compound | A thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. Synonym: impression compound, modeling composition, modeling compound. (05 Mar 2000) |
| modeling plastic | A thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. Synonym: impression compound, modeling composition, modeling compound. (05 Mar 2000) |
| molecular modeling | <chemistry> The use of computers to create models of molecules. (14 Nov 1997) |