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Related to attack rate: secondary attack rate


Value, measure, or degree; a charge, payment, or price determined through the application of a mathematical formula or based upon a scale or standard.

For example, an interest rate is determined by the ratio between the principal and interest.

Rate is also used synonymously with tax.


noun amount, assessment, charge, cost, expense, fare, fee, hire, magno, obligation, pace, parvo emere, price, quotation, standard, tempo, valuation, value, velocity, worth
Associated concepts: legal rate of interest, rate of exchange


verb aestimare, appraise, apprize, assess, class, classify, compute, determine, esteem, estimate, evaluate, figure, fix the price of, gauge, grade, judge, measure, merit, price, quantify, rank, reckon, set a value on, tag, value, weigh
See also: amount, appraise, arrange, assess, assessment, calculate, caliber, charge, classify, cost, criticize, differential, duty, earnings, estimate, evaluate, expense, face amount, frequency, gauge, inveigh, levy, measure, organize, par, pigeonhole, price, quality, rebuke, reprehend, sum, tax, worth

RATE. A public valuation or assessment of every man's estate; or the ascertaining how much tax every one shall pay. Vide Pow. Mortg. Index, h.t.; Harr. Dig. h.t.; 1 Hopk. C. R. 87.

References in periodicals archive ?
Among the 1,137 contacts and case-patients with 50 source case-patients, 1,233 contact-events occurred; 26 contacts became ill with EVD, for an overall secondary attack rate of 2.
Current smokers had the highest heart attack rate (8.
When adjusted to account for demographic changes in the county's population between the two periods, the data revealed an annual heart attack rate of 151 per 100,000 people before the ban and 101 per 100,000 afterward.
a = d+Hn/1+cN, where, a = attack rate, H = handling time, N = Number of prey, 'c' and 'd' are constants (9).
The attack rate reported in this outbreak was higher than that reported for other schools (13,14).
In the first wave, which occurred in the spring of 1918, the attack rate was 50%, but the mortality rate was not high.
From company A, the attack rate for acute histoplasmosis cases was 73% (8 of 11).
The overall attack rate was calculated from the floor-by-floor dormitory survey.
People with a lowest-ever (nadir) CD4 count above 500 also had a heart attack rate similar to the HIV-negative comparison group.
The 19,000 figure is based on an attack rate of 30% and a death rate of 0.
We offer this challenge to anyone who wants to criticize our report: Explain what other factor is tied to a decline in heart attacks from June through November 2002 for residents of the zip codes in the city of Helena but not for residents in the surrounding zip codes, and explain why the heart attack rate has rebounded every month since the ordinance enforcement was suspended in December 2002.