Matching Words
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PH Scale
- noun - (chemistry) p(otential of) H(ydrogen); the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is a
- (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);
Phase II
- noun - a clinical trial on more persons than in phase I; intended to evaluate the efficacy of a treatment for the condition it is intended to treat; possible side effects are monitored
Phase In
- verb - introduce gradually
Phase IV
- noun - sometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects; during this phase the drug may be tried on slightly different patient populations than those studied in earlier trials
- sometimes the FDA approves a drug for general use but requires to manufacturer to continue to monitor its effects; during phase IV the drug may be tried on slightly different patient populations than those studied in earlier trials
Phasmida
- noun - in some classifications considered a suborder of Orthoptera: stick insects; leaf insects
Phasmids
- noun - large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects
Phishing
- unknown - attempting to get confidential information by sending fake emails
Phosgene
- noun - a colorless poisonous gas that smells like new-mown hay; used in chemical warfare
Phospham
- - An inert amorphous white powder, PN2H, obtained by passing ammonia over heated phosphorus.
Phosphor
- noun - a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes