Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to colloidal: colloidal solution, Colloidal silver


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.
Of, relating to, containing, or having the nature of a colloid.

col·loi′dal (kə-loid′l, kŏ-) adj.
col·loi′dal·ly adv.


(Chemistry) of, denoting, or having the character of a colloid
colloidality n


(kəˈlɔɪd l)

pertaining to or of the nature of a colloid: colloidal gold and silver.
col•loi•dal•i•ty (ˌkɒl ɔɪˈdæl ɪ ti) n.
col•loi′dal•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.colloidal - of or relating to or having the properties of a colloid
References in periodicals archive ?
A colloidal dispersion is a two-phase system in which one phase--the disperse phase--is dispersed in a second, continuous phase--the dispersion medium--explains Tadros, and either of these phases can be solid, liquid, or gas, so there are many possible combinations.
AkzoNobel's Specialty Chemicals business is investing more than 4 million [euro] to increase production capacity in Sweden for its Levasil CC-branded product line of patented surface modified colloidal silica.
There are 11 reports in the TGA database (9) of adverse reactions where the oral use of colloidal silver is suspected (with good reason); internationally, there are over 30 scientific reports discussing nanosilver or colloidal silver toxicity in animals and humans.
The tested factors were chitin sources and forms, colloidal chitin concentration, secondary carbon sources and glucose concentration.
The extent to which a beer requires colloidal stabilisation will depend on the raw materials, processing, shelf life and storage conditions.
The proposed ASTM International C09 on Concrete and Concrete Aggregates standard, WK53768, New Specification for Colloidal Silica, will inform concrete practitioners on a supplementary cementitious material--emerging from the field of nanotechnology--that imparts strength and durability characteristics in finished slabs and structures.
Objective: Colloidal semiconductor nanocrystals have already found significant use in various arenas, including bioimaging, displays, lighting, photovoltaics and catalysis.
Colloidal Silver: The Natural Antibiotic belongs in new age and health holds alike and discusses a natural antibiotic and antiviral used until the middle of the 20th century, when pharmaceuticals were developed and promoted instead.
A novel approach for analyzing the physical properties of colloidal dispersions, Spheryx Inc.
This article reviews the role of "moisturizers" in the prevention and management of AD, with emphasis paid to the incorporation of colloidal oatmeal into this strategy.
Anti-inflammatory activities of colloidal oatmeal (Avena sativa) contribute to the effectiveness of oats in treatment of itch associated with dry irritated skin.
In this study, we employed three-dimensional colloidal gels made of HA/PLGA/chitosan to study the viability and migration of porcine chondrocytes and found that porcine chondrocytes could move in culture around hydroxyapatite.