| ERDA | Energy Research and Development Administration |
|---|---|
| ESHEL | Association for Planning and Development of Services for the Aged in Israel |
| GD | gastroduodenal; Gaucher disease; general diagnostics; general dispensary; gestational day; Gianotti ... |
| G&D | growth and development |
| HSR&D | health services research and development |
D factor
| strain development | Improving the genetics of an organism so that it carries out a biotechnological process more effectively. (14 Nov 1997) |
|---|---|
| development | 1. The act of developing or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as a plan or method, or an image upon a photographic plate; gradual advancement or growth through a series of progressive changes; also, the result of developing, or a developed state. "A new development of imagination, taste, and poetry." (Channing) 2. <biology> The series of changes which animal and vegetable organisms undergo in their passage from the embryonic state to maturity, from a lower to a higher state of organization. 3. <mathematics> The act or process of changing or expanding an expression into another of equivalent value or meaning. The equivalent expression into which another has been developed. 4. The elaboration of a theme or subject; the unfolding of a musical idea; the evolution of a whole piece or movement from a leading theme or motive. <biology> Development theory, the doctrine that animals and plants possess the power of passing by slow and successive stages from a lower to a higher state of organization, and that all the higher forms of life now in existence were thus developed by uniform laws from lower forms, and are not the result of special creative acts. See the Note under Darwinian. Synonym: Unfolding, disclosure, unraveling, evolution, elaboration, growth. Origin: Cf. F. Developpement Alternative forms: developement. Source: Websters Dictionary (01 Mar 1998) |
| drug development pathway | The various procedures and studies that must be undertaken to satisfy Food and Drug Administration requirements for drug approval and marketing. (14 Nov 1997) |
| early development | An early stage in the life cycle of a bacteriophage (a virus which infects bacteria) that occurs after infection but before replication of the bacteriophage genome. (09 Oct 1997) |
| foetal development | Morphologic and physiologic growth and development of the mammalian embryo or foetus. (12 Dec 1998) |
| language development | The gradual expansion in complexity and meaning of symbols and sounds as perceived and interpreted by the individual through a maturational and learning process. Stages in development include babbling, cooing, word imitation with cognition, and use of short sentences. (12 Dec 1998) |
| language development disorders | Failure to understand or speak the language at the expected age. Causal factors include slow maturation, hearing loss, brain injury, mental retardation and emotional disorders. (12 Dec 1998) |
| library collection development | Development of a library collection, including the determination and coordination of selection policy, assessment of needs of users and potential users, collection use studies, collection evaluation, identification of collection needs, selection of materials, planning for resource sharing, collection maintenance and weeding, and budgeting. (12 Dec 1998) |
| abstracting and indexing | Shortening or summarizing of documents; assigning of descriptors for referencing documents. (12 Dec 1998) |
| academies and institutes | Organizations representing specialised fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., national academy of sciences, brookings institution, etc. (12 Dec 1998) |
| accounts payable and receivable | Short-term debt obligations and assets occurring in the regular course of operational transactions. (12 Dec 1998) |
| aged, 80 and over | A person 80 years of age and older. (12 Dec 1998) |
| algae and fungi | Algae represent a group of spore-propagating plants, unicellular or undifferentiated into root, stem, and leaf. They include seaweed and many unicellular fresh water plants, most of which contain chlorophyll. They account for about 90% of the earth's photosynthetic activity. Fungi are eukaryotic, heterotrophic organisms that live as saprobes or parasites and include mushrooms, yeasts, smuts, molds, etc. They lack chlorophyll. (12 Dec 1998) |
| alkyl and aryl transferases | <enzyme> A somewhat heterogeneous class of enzymes that catalyze the transfer of alkyl or related groups (excluding methyl groups). Registry number: EC 2.5 (12 Dec 1998) |
| allergy and immunology | A medical specialty concerned with the hypersensitivity of the individual to foreign substances and protection from the resultant infection or disorder. (12 Dec 1998) |