| 释义 |
colloidal
col·loid C0483900 (kŏl′oid′)n.1. Chemistry a. A system in which finely divided particles, which are approximately 1 to 1,000 millimicrons in size, are dispersed within a continuous medium in a manner that prevents them from being filtered easily or settled rapidly.b. The particulate matter so dispersed.2. The gelatinous stored secretion of the thyroid gland, consisting mainly of thyroglobulin.3. Gelatinous material resulting from degeneration in diseased tissue.adj. Of, relating to, containing, or having the nature of a colloid.
col·loi′dal (kə-loid′l, kŏ-) adj.col·loi′dal·ly adv.colloidal (ˌkɒˈlɔɪdəl) adj (Chemistry) of, denoting, or having the character of a colloid colloidality ncol•loi•dal (kəˈlɔɪd l)
adj. pertaining to or of the nature of a colloid: colloidal gold and silver. [1860–65] col•loi•dal•i•ty (ˌkɒl ɔɪˈdæl ɪ ti) n. col•loi′dal•ly, adv. Thesaurus| Adj. | 1. | colloidal - of or relating to or having the properties of a colloid |
TranslationscolloidalegelatinosoколлоидальныйколлоидныйEncyclopediaSeecolloidcolloidal
colloidal [kŏ-loi´d'l] of the nature of a gel or gluelike substance in which particles are held in suspension.colloidal gold test a test of cerebrospinal fluid based on alterations in the albumin-globulin ratios that occur in certain disorders of the central nervous system. Normal spinal fluid, when diluted and added to a colloidal gold suspension, will not precipitate the colloidal gold. The extent of precipitation is indicative of various diseases such as multiple sclerosis, poliomyelitis, and encephalitis. A positive reaction also occurs in the presence of neurosyphilis. The sample of spinal fluid must not contain blood because this will cause a false-positive reaction.col·loi·dal (ko-loyd'ăl), Denoting or characteristic of a colloid.col·loi·dal (kol-oyd'ăl) Denoting or characteristic of a colloid. |