colloid
colloid
Definition
col·loid (käl′o̵id′)
noun
- a solid, liquid, or gaseous substance made up of very small, insoluble particles (as single large molecules or masses of smaller molecules) that remain in suspension in a surrounding solid, liquid, or gaseous medium of different matter
- a state of matter consisting of such a substance dispersed in a surrounding medium: all living matter contains colloidal material, and a colloid has only a negligible effect on the freezing point, boiling point, or vapor pressure of the surrounding medium
- the iodine-containing, gelatinous protein stored in the thyroid
Etymology: < Gr kolla, glue + -oid; coined by T. Graham (1805-69), Scot chemist
colloid
Usage Examples
Converse of object
- use: However, whatever the application, the quality of the gold colloid used is instrumental in the final success of the project.
- color: However, they need different chemical reaction conditions to synthesize different colored metal colloids.
- include: This may include a colloid to rapidly expand the circulating volume but what the patient really needs is crystalloids with a high sodium content.
- drive: Laning in oppositely driven colloids We study the formation of lanes of oppositely driven colloids.
- contain: Fresh Start rapidly removes these toxic chemicals and minerals and contains a natural colloid which coats the fish with a protective barrier.
- form: Methylcellulose, which forms a semi-synthetic hydrophilic colloid, has a similar action.
Adjective modifier
- aquatic: This is being organized through his NERC Knowledge Transfer Network on natural aquatic colloids.
- natural: This is being organized through his NERC Knowledge Transfer Network on natural aquatic colloids.
- true: In a true colloid, the particles range in size from about 0.01 to 0.001 of a micron in diameter.
Modifies a noun
- chemistry: In J. Alexander ( ed. ), Colloid chemistry.
- particle: This presentation will deal with a recently developed process for the surface engineering of colloid particles.
- science: Progress in nanotechnology and colloid science may now enable sufficient performance to be obtained.
- solution: Colloid solutions have been reported to be responsible in many settings.
- pressure: This fluid movement is controlled by the capillary blood pressure, the interstitial fluid pressure and the colloid osmotic pressure of the plasma.
- therapy: Standard ICU care with no extra diuretic or colloid therapy permitted.
Noun used with modifier
- polymer: Throughout his time at Surrey he has carried out research on soft matter, with special interest in polymer colloids.
- metal: When a solution of the sample molecule is mixed with a metal colloid the molecules are absorbed onto the surface of the colloids.
- silver: Raman spectra from a black ink before and after treatment with silver colloid.
- sulfur: INTERVENTIONS: Unfiltered technetium Tc 99m sulfur colloid injections of the primary tumor and lymphoscintigraphy were performed on the day before surgery.
- soil: Animations are used to illustrate the procedures in measuring cation exchange properties of soil colloids, in the Nutrient Cycling chapter of Oz Soils.
Browse dictionary entries near colloid
- collogue
- collodion
- collocation
- collocate
- collision domain
- collision
- collinsia
- Collins
- collinear
- collimator
- colloidal
- collop
- colloq
- colloquial
- colloquialism
- colloquist
- colloquium
- colloquy
- collotype
- collude
