| thin section | A section of tissue for electron microscopic examination; the specimen is fixed, typically in glutaraldehyde and/or in osmium tetroxide, embedded in a plastic resin, and sectioned at less than 0.1 um in thickness with a glass or diamond knife in an ultramicrotome. (05 Mar 2000) |
|---|---|
| thin-layer chromatography | Chromatography through a thin layer of cellulose or similar inert material supported on a glass or plastic plate. (05 Mar 2000) |
| thin-layer electrophoresis | Electrophoretic migrations (separations) through a thin layer of inert material, such as cellulose, supported on a glass or plastic plate. (05 Mar 2000) |
| thin-layer immunoassay | A method for detection of antigen-antibody reactions, applicable to detection of either antigen or antibody, based on the fact that either reactant, when added to a polystyrene surface (such as a well in a polystyrene plate) is adsorbed as a thin layer and acts as an immunosorbent capable of binding with the second reactant. (05 Mar 2000) |
| thin-skinned | Having a thin skin; hence, sensitive; irritable. Source: Websters Dictionary (01 Mar 1998) |
| think | 1. To seem or appear; used chiefly in the expressions methinketh or methinks, and methought. These are genuine Anglo-Saxon expressions, equivalent to it seems to me, it seemed to me. In these expressions me is in the dative case. 2. To employ any of the intellectual powers except that of simple perception through the senses; to exercise the higher intellectual faculties. "For that I am I know, because I think." (Dryden) 3. Specifically: To call anything to mind; to remember; as, I would have sent the books, but I did not think of it. "Well thought upon; I have it here." (Shak) To reflect upon any subject; to muse; to meditate; to ponder; to consider; to deliberate. "And when he thought thereon, he wept." (Mark xiv. 72) "He thought within himself, saying, What shall I do, because I have no room where to bestow my fruits?" (Luke xii. 17) To form an opinion by reasoning; to judge; to conclude; to believe; as, I think it will rain to-morrow. "Let them marry to whom they think best." (Num. Xxxvi. 6) To purpose; to intend; to design; to mean. "I thought to promote thee unto great honor." (Num. Xxiv. 11) "Thou thought'st to help me." (Shak) To presume; to venture. "Think not to say within yourselves, We have Abraham to our father." (Matt. Iii. 9) To think, in a philosophical use as yet somewhat limited, designates the higher intellectual acts, the acts preeminently rational; to judge; to compare; to reason. Thinking is employed by Hamilton as "comprehending all our collective energies." It is defined by Mansel as "the act of knowing or judging by means of concepts,"by Lotze as "the reaction of the mind on the material supplied by external influences." See Thought. To think better of. See Better. To think much of, or To think well of, to hold in esteem; to esteem highly. Synonym: To expect, guess, cogitate, reflect, ponder, contemplate, meditate, muse, imagine, suppose, believe. See Expect, Guess. Origin: OE. Thinken, properly, to seem, from AS. Thyncean (cf. Methinks), but confounded with OE. Thenken to think, fr. AS. Thencean (imp. Thohte); akin to D. Denken, dunken, OS. Thenkian, thunkian, G. Denken, dunken, Icel. Thekkja to perceive, to know, thykkja to seem, Goth. Thagkjan, thaggkjan, to think, thygkjan to think, to seem, OL. Tongere to know. Cf. Thank, Thought. 1. To conceive; to imagine. "Charity . . . Thinketh no evil." (1 Cor. Xiii. 4,5) 2. To plan or design; to plot; to compass. "So little womanhood And natural goodness, as to think the death Of her own son." (Beau. & Fl) 3. To believe; to consider; to esteem. "Nor think superfluous other's aid." (Milton) To think much, to esteem a great matter; to grudge. "[He] thought not much to clothe his enemies." . To think scorn. To disdain. "He thought scorn to lay hands on Mordecai alone." . To feel indignation. Source: Websters Dictionary (01 Mar 1998) |
| thinking | Mental activity, not predominantly perceptual, by which one apprehends some aspect of an object or situation based on past learning and experience. (12 Dec 1998) |
| thinking through | The psychological process of understanding, with insight, one's own behaviour. (05 Mar 2000) |
| thinly | In a thin manner; in a loose, scattered manner; scantily; not thickly; as, ground thinly planted with trees; a country thinly inhabited. Source: Websters Dictionary (01 Mar 1998) |
| thinning | Partial or complete removal of undesirable or excess plants. (09 Oct 1997) |
| thinolite | <chemical> A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada. Origin: Gr, shore. Source: Websters Dictionary (01 Mar 1998) |
| thio- | <chemistry, prefix> A combining form (also used adjectively) denoting the presence of sulphur. See Sulpho-. Origin: Gr. Brimstone, sulphur. (29 Oct 1998) |
| thioacetamide | <chemical> Ethanethioamide. Formerly used as a laboratory reagent; it is a potent hepatocarcinogen. Pharmacological action: carcinogens. Chemical name: Ethanethioamide (12 Dec 1998) |
| thioacetazone | <chemical> A thiosaemicarbazone that is used in association with other antimycobacterial agents in the initial and continuation phases of antituberculosis regimens. Thiacetazone containing regimens are less effective than the short-course regimen recommended by the international union against tuberculosis and are used in some developing countries to reduce drug costs. Pharmacological action: antitubercular agents. Chemical name: Acetamide, N-(4-(((aminothioxomethyl)hydrazono)methyl)phenyl)- (12 Dec 1998) |
| thioacid | An organic acid in which one or more of the oxygen atoms have been replaced by sulfur atoms; e.g., thiosulfuric acid. Synonym: sulfacid, sulfoacid. (05 Mar 2000) |