breakpoint

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break·point

(brāk'poynt),
In helminth epidemiology, the critical mean wormload in a community, below which the helminth mating frequency is too low to maintain reproduction. Below this level, helminth infection in the community will progressively decline, ultimately to zero.
Infectious diseases A level of minimum inhibitory concentration (MIC) at which a bacterium is deemed either susceptible or resistant to an antibiotic being used
Molecular biology A site in the DNA’s double helix where there is an interruption of both strands of nucleotides
Vox populi A popular term for a quantitative value or ‘point’ at which an event—e.g., a decision, action, or other response—is initiated

break·point

(brāk'poynt)
1. In helminth epidemiology, the critical mean wormload in a community, below which the helminth mating frequency is too low to maintain reproduction. Below this level, helminth infection in the community will progressively decline, ultimately to zero.
2. A point in any continuous process or function at which an interruption, cessation, or change occurs.
3. In antimicrobial therapy, concentration of an antibiotic that can be achieved in body fluids or target sites during optimal therapy.
References in periodicals archive ?
At 0-30 down in the fourth, Murray's game appeared to be unravelling, and again as he fought his way back into the contest, he presented Djokovic with a break-point opportunity, which the five-time major champion wasted with a long forehand.
A thrilling rally, with the match at 4-2, saw Djokovic slip while sliding for a slice-forehand, but still recovered to eventually set up a break-point chance.
To win matches it's a necessity to convert plenty of break-point chances while holding on to your own serve so you would expect this season's star performers to have high 2006 break-point ratings that are above, or close, to last year's average.