| prodigal | Given to extravagant expenditure; expending money or other things without necessity; recklessly or viciously profuse; lavish; wasteful; not frugal or economical; as, a prodigal man; the prodigal son; prodigal giving; prodigal expenses. "In fighting fields [patriots] were prodigal of blood." (Dryden) Synonym: Profuse, lavish, extravagant, squandering, wasteful. See Profuse. Origin: L. Prodigus, from prodigere to drive forth, to squander away; pro forward, forth + agere to drive; cf. F. Prodigue. See Agent. Source: Websters Dictionary (01 Mar 1998) |
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| prodigiosin | <protein> See Serratia marcenscens. (18 Nov 1997) |
| prodigiozan | <chemical> A bacterial polysaccharide isolated from serratia marcescens and other bacteria. It is used in the treatment of a variety of bacterial and viral infections. Pharmacological action: antibiotics. Chemical name: Prodigiozan (12 Dec 1998) |
| prodromal | <medicine> Of or pertaining to prodromes; as, the prodromal stage of a disease. Source: Websters Dictionary (01 Mar 1998) |
| prodromal period | The time during which a disease process has begun but is not yet clinically manifest. (05 Mar 2000) |
| prodromal stage | incubation period |
| prodrome | An early or premonitory symptom of a disease. Synonym: prodromus. Origin: G. Prodromos, a running before, fr. Pro-+ dromos, a running, a course (05 Mar 2000) |
| prodromic | <medicine> Of or pertaining to prodromes; as, the prodromal stage of a disease. Source: Websters Dictionary (01 Mar 1998) |
| prodromic sign | <clinical sign> A sign that appears during the prodrome of a disease. Synonym: antecedent sign. (05 Mar 2000) |
| prodromus | An early or premonitory symptom of a disease. Synonym: prodromus. Origin: G. Prodromos, a running before, fr. Pro-+ dromos, a running, a course (05 Mar 2000) |
| prodrug | A compound that is converted within the body into its active form that has medical effects. Prodrugs useful when the active drug may be too toxic to administer ter systemically, the active drug is absorbed poorly by the digestive tract, or the body breaks down the active drug before it reaches its target. (09 Oct 1997) |
| prodrugs | A compound that, on administration, must undergo chemical conversion by metabolic processes before becoming the pharmacologically active drug for which it is a prodrug. (12 Dec 1998) |
| produce | 1. To bring forward; to lead forth; to offer to view or notice; to exhibit; to show; as, to produce a witness or evidence in court. "Produce your cause, saith the Lord." (Isa. Xli. 21) "Your parents did not produce you much into the world." (Swift) 2. To bring forth, as young, or as a natural product or growth; to give birth to; to bear; to generate; to propagate; to yield; to furnish; as, the earth produces grass; trees produce fruit; the clouds produce rain. "This soil produces all sorts of palm trees." (Sandys) "[They] produce prodigious births of body or mind." (Milton) "The greatest jurist his country had produced." (Macaulay) 3. To cause to be or to happen; to originate, as an effect or result; to bring about; as, disease produces pain; vice produces misery. 4. To give being or form to; to manufacture; to make; as, a manufacturer produces excellent wares. 5. To yield or furnish; to gain; as, money at interest produces an income; capital produces profit. 6. To draw out; to extend; to lengthen; to prolong; as, to produce a man's life to threescore. 7. <geometry> To extend; applied to a line, surface, or solid; as, to produce a side of a triangle. Origin: L. Producere, productum, to bring forward, beget, produce; pro forward, forth + ducere to lead. See Duke. Source: Websters Dictionary (01 Mar 1998) |
| producer gas | Fuel gas high in carbon monoxide (CO) and hydrogen (H2), produced by burning a solid fuel with insufficient air or by passing a mixture of air and steam through a burning bed of solid fuel. (05 Dec 1998) |
| product | 1. Anything that is produced, whether as the result of generation, growth, labour, or thought, or by the operation of involuntary causes; as, the products of the season, or of the farm; the products of manufactures; the products of the brain. "There are the product Of those ill-mated marriages." (Milton) "These institutions are the products of enthusiasm." (Burke) 2. <mathematics> The number or sum obtained by adding one number or quantity to itself as many times as there are units in another number; the number resulting from the multiplication of two or more numbers; as, the product of the multiplication of 7 by 5 is 35. In general, the result of any kind of multiplication. See the Note under Multiplication. Synonym: Produce, production, fruit, result, effect, consequence, outcome, work, performance. Origin: L. Productus, p. Pr. Of producere. See Produce. Source: Websters Dictionary (01 Mar 1998) |