| combination | The result or product of combining, a series of events or result occurring in an ordered sequence, the act or process of combining, the act or process of uniting to form a chemical compound: the chemical compound so formed. <zoology> The name of a species or subspecies consisting of the name of the genus followed by the specific or specific plus subspecific names. (09 Jan 1998) |
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| combination beat | A beat triggered by more than a single electrical impulse, when the wave fronts coincide to act together on a single final pathway of activity; in the electrocardiogram, the atrial or ventricular complex when either atria or ventricles are activated jointly by two simultaneous or nearly simultaneous invading impulses. Synonym: combination beat, mixed beat, summation beat. (05 Mar 2000) |
| combination chemotherapy | <oncology> Treatment consisting of the use of two or more chemicals to achieve maximum kill of tumour cells. (09 Jan 1998) |
| combination oral contraceptive | A mixture of a steroid having progestational activity and an oestrogen. (05 Mar 2000) |
| combination restoration | A tooth restoration of two or more materials applied in layers. (05 Mar 2000) |
| combination studies | <pharmacology> Studies in which a new drug is evaluated in combination with existing drugs. (09 Jan 1998) |
| amoxicillin-potassium clavulanate combination | <chemical> A fixed-ratio combination of amoxicillin trihydrate, an aminopenicillin, and potassium clavulanate, a beta-lactamase inhibitor, used to treat broad-spectrum antibacterial infections, especially of resistant strains. Pharmacological action: antibiotics, combined, antibiotics, lactam, enzyme inhibitors. (12 Dec 1998) |
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| binary combination | The name of a species of bacteria consisting of two parts: a generic name and a specific epithet. (05 Mar 2000) |
| new combination | The new name that results from the transfer of a microorganism from one genus to another; the generic name changes but, in most cases, the specific epithet remains the same. (05 Mar 2000) |
| drug therapy, combination | Drug therapy with two or more drugs given separately for a combined effect. (12 Dec 1998) |
| trimethoprim-sulfamethoxazole combination | <chemical> 4-amino-n-(5-methyl-3-isoxazolyl)benzenesulfonamide mixture with 5-((3,4,5-trimethoxyphenyl)methyl)- 2,4-pyrimidinediamine. This drug combination has proved to be an effective therapeutic agent with broad-spectrum antibacterial activity against both gram-positive and gram-negative organisms. It is effective in the treatment of many infections, including pneumocystis carinii pneumonia in aids, but is the drug of choice for urinary infection. Pharmacological action: anti-infective agents, anti-infective agents, urinary, antimalarials. Chemical name: Benzenesulfonamide, 4-amino-N-(5-methyl-3-isoxazolyl)-, mixt. With 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine (12 Dec 1998) |
| ethinyl estradiol-norgestrel combination | <chemical> Ethinyl estradiol and norgestrel given in fixed proportions. It has proved to be an effective contraceptive. Pharmacological action: contraceptives, oral, combined, contraceptives, oral, synthetic, contraceptives, postcoital, synthetic. (12 Dec 1998) |