One of the mysteries of the English language finally explained.
1A homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.
mixture, mix, blend, compound, suspension, tincture, infusion, emulsion, gel, fluidView synonyms
- ‘He showed that these materials were long, chain-like molecules and not colloids as previously thought.’
- ‘By depositing proteins as monolayers onto gold colloids, the aim will be to develop biosensors for nitrate and nitric oxide with detection capabilities approaching those of natural bacterial cells.’
- ‘This increase in cytoplasmic viscosity can be described as a sol-gel transition, which is generally explained with chemical or physical reactions of molecules, polymers, or colloids.’
- ‘In lyophobic colloids the particle-solvent interaction is energetically unfavorable and the suspension will sooner or later separate.’
- ‘And 10 years later he used freezing point depressions to determine the molecular weights of colloids such as gum, Fe 3 etc.’
- 1.1Medicine Anatomy A substance of gelatinous consistency.
- ‘Radiolabeled colloid injected into the peritoneal cavity can be used to demonstrate the communication between the peritoneal and pleural space.’
- ‘Cell blocks revealed sheets or clusters of follicular cells and variably sized follicles filled with colloid.’
- ‘These techniques offer advantages similar to those of haemodilution but do not require infusions of crystalloid or colloid to preserve blood volume.’
- ‘The most common radiotracers used in GI bleeding studies are 99m-Tc labeled red blood cells and 99m-Tc sulfur colloid.’
- ‘Thus, sentinel lymph nodes can be detected by the injection of blue dye or radioactive colloid around the tumor, which travels to and identifies the first draining sentinel lymph node.’
attributive Of the nature relating to or characterized by a colloid or colloids.
- ‘This assumption is generally verified in colloid science and has been precisely verified for our material only at low concentration of monovalent salt.’
- ‘They attributed their low colloid carcinoma detection rate to the absence of sufficient guidelines for the identification of colloid carcinoma at the time of their study.’
- ‘Several previous reports have dealt with the experimental and theoretical aspects of depletion aggregation, often termed depletion flocculation, as applied to the general field of colloid chemistry.’
- ‘The first cancer had been diagnosed as colloid carcinoma in 1985.’
- ‘The addition of neutral polymers to colloid solutions results in a nonspecific attractive potential between colloids, called the depletion attraction, dependent upon polymer size and concentration.’
Mid 19th century: from Greek kolla ‘glue’ + -oid.
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