Vocabulary: words definition and meanings

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Convivial

occupied with or fond of the pleasures of good company.

(adjective)
- courteous and gallant i.e. for a man who is protective towards women.
- being attentive toward women.
- relating to the historical notion of chivalry i.e. courageous kings and warriors.

Creative

Creativity is the act of turning new and imaginative ideas into reality.

Capsule

Small edible package made usually from gelatin or other materials that can be filled with drugs (solids or liquids) to produce a unit dose, mainly for oral use. Hard capsules consist of two pieces that fit one inside the other which are produced empty and filled in a separate operation, and soft, liquid-filled cap- sules, which are manufactured and filled in one operation.

Coacervation

Separation of colloidal systems into two liquid phases. The phase more concentrated in colloid component is the coacervate, while the other phase is the equilibrium solution

Coagulation

Close, tight aggregation of colloid particles, emulsion droplets, suspension par- ticles, which are difficult to redisperse.

Coating

Technological process consisting of the application of a substance, which forms a layer (e.g, to protect the drug and/or the tablet, to mask taste, to control the rate of drug release (e.g., film coating, sugar coating).

Compressed Tablet

A solid dosage form prepared to a desired shape, usually in large-scale production, by means of high pressure in a punch and die.

Cosolvent

Vehicle (often ethanol) used in combination to increase the solubility of drugs. Frequently, the solubil- ity of a drug in a mixed solvent system is greater than can be predicted from its solubility in each sol- vent component separately.

Cream

Semi-solid emulsion for external application. Oil-in-water emulsions are most useful as water-washable bases, whereas water-in-oil emulsions are emollient and cleansing

Critical Micelle Concentration (cmc)

Threshold detergent concentration at which micelle formation begins in the bulk phase. This means that all effective molecules are present as monomers at a concentration below their cmc.

Critical Moisture Content

A stage in the drying of solids, above which the drying rate (derived from the plot of the loss of moisture content against time) is linear, at which the drying rate ceases to be linear, until it reaches the equiibrium moisture content.

Crossover Study

Type of comparative bioavailability study designed in such a way as to take into account differences in bioavailability arising from differences between patients suffering from disease, participating in the study.

Crystalline

Term that describes a solid of regular shape and the presence of three-dimensional order on the level of atomic dimensions, for a given molecule.

Candle Jar

container with a tight-fitting lid in which a burning candle consumes oxygen and releases carbon dioxide, thereby creating an environment suitable for capnophiles