Rating-nut
noun, Horology.
1.
a nut that screws onto the lower end of the rod of a clock pendulum for raising or lowering the weight to alter the rate of the clock.
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- Ratio
[rey-shoh, -shee-oh] /ˈreɪ ʃoʊ, -ʃiˌoʊ/ noun, plural ratios. 1. the relation between two similar magnitudes with respect to the number of times the first contains the second: the ratio of 5 to 2, written 5:2 or 5/2. 2. proportional relation; rate: the ratio between acceptances and rejections. 3. Finance. the relative value of gold and […]
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[rash-ee-os-uh-neyt, -oh-suh-, rat-ee-] /ˌræʃ iˈɒs əˌneɪt, -ˈoʊ sə-, ˌræt i-/ verb (used without object), ratiocinated, ratiocinating. 1. to reason; carry on a process of reasoning. /ˌrætɪˈɒsɪˌneɪt/ verb 1. (intransitive) to think or argue logically and methodically; reason v. “to reason,” 1640s, from Latin ratiocinatus, past participle of ratiocinare (see ratiocination). Related: Ratiocinant.
- Ratiocination
[rash-ee-os-uh-ney-shuh n, -oh-suh-, rat-ee-] /ˌræʃ iˌɒs əˈneɪ ʃən, -ˌoʊ sə-, ˌræt i-/ noun 1. the process of logical reasoning. n. “process of reasoning,” 1520s, from Latin ratiocinationem (nominative ratiocinatio) “a reasoning, calm reasoning,” from past participle stem of ratiocinare “to calculate, deliberate,” from ratio (see ratio) + -cinari, which probably is related to conari “to […]
- Ratiocinative
[rash-ee-os-uh-ney-shuh n, -oh-suh-, rat-ee-] /ˌræʃ iˌɒs əˈneɪ ʃən, -ˌoʊ sə-, ˌræt i-/ noun 1. the process of logical reasoning. n. “process of reasoning,” 1520s, from Latin ratiocinationem (nominative ratiocinatio) “a reasoning, calm reasoning,” from past participle stem of ratiocinare “to calculate, deliberate,” from ratio (see ratio) + -cinari, which probably is related to conari “to […]
- Ratiometer
[rey-shee-om-i-ter] /ˌreɪ ʃiˈɒm ɪ tər/ noun 1. (in three-color photography) a device for determining the exposure factors of the filters to be used.