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positive British & World English

Consisting in or characterized by the presence rather than the absence of distinguishing features

positive English Thesaurus

I am confident of getting a positive response from the commission

HIV-positive British & World English

Having had a positive result in a blood test for the AIDS virus HIV

positive law British & World English

Statutes which have been laid down by a legislature, court, or other human institution and can take whatever form the authors want

positive pole British & World English

A north-seeking pole of a magnet

positive sign British & World English

Another term for plus sign.

positive in certain English Thesaurus

I'm certain he's guilty

positive in definite English Thesaurus

I need a definite answer

positive in positive English Thesaurus

I am confident of getting a positive response from the commission

positive in sure English Thesaurus

I am sure that they did not have an affair

false positive British & World English

A test result which wrongly indicates that a particular condition or attribute is present

positive logic British & World English

A method using electrical signals to represent binary digits, in which the positive signal is taken to represent 1 and the negative signal 0

positive organ British & World English

A large but movable pipe organ

proof positive British & World English

Evidence taken to be final or absolute proof of the existence of something

rhesus-positive British & World English

Having the rhesus factor

positive feedback British & World English

The enhancing or amplification of an effect by its own influence on the process which gives rise to it

positive pressure British & World English

Air or gas pressure greater than that of the atmosphere, as used e.g. in the artificial ventilation of the lungs

positive vetting British & World English

A process of exhaustive inquiry into the background and character of a candidate for a civil service post that involves access to secret material

positive geotropism British & World English

The tendency of roots to grow downwards

positive reinforcement British & World English

The process of encouraging or establishing a pattern of behaviour by offering reward when the behaviour is exhibited

positive discrimination British & World English

(In the context of the allocation of resources or employment) the practice or policy of favouring individuals belonging to groups which suffer discrimination

test1 British & World English

Produce a specified result in a medical test, especially a drugs test or AIDS test

Gram stain British & World English

A staining technique for the preliminary identification of bacteria, in which a violet dye is applied, followed by a decolorizing agent and then a red dye. The cell walls of certain bacteria (denoted Gram-positive) retain the first dye and appear violet, while those that lose it (denoted Gram-negative) appear red

seropositive British & World English

Giving a positive result in a test of blood serum, e.g. for the presence of a virus

phototaxis British & World English

The bodily movement of a motile organism in response to light, either towards the source of light (positive phototaxis) or away from it (negative phototaxis)

phototropism British & World English

The orientation of a plant or other organism in response to light, either towards the source of light (positive phototropism) or away from it (negative phototropism)

positive prescription in prescription British & World English

The establishment of a claim founded on the basis of a long or indefinite period of uninterrupted use or of long-standing custom

Gram-positive in Gram stain British & World English

A staining technique for the preliminary identification of bacteria, in which a violet dye is applied, followed by a decolorizing agent and then a red dye. The cell walls of certain bacteria (denoted Gram-positive) retain the first dye and appear violet, while those that lose it (denoted Gram-negative) appear red

Gram-positive in Gram stain New Oxford Dictionary for Writers & Editors

technique for distinguishing between two categories of bacteria (Gram-positive and Gram-negative)

positive geotropism in geotropism British & World English

The growth of the parts of plants in response to the force of gravity. The upward growth of plant shoots is an instance of negative geotropism; the downward growth of roots is positive geotropism

positive phototaxis in phototaxis British & World English

The bodily movement of a motile organism in response to light, either towards the source of light (positive phototaxis) or away from it (negative phototaxis)


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