 |
|
 |
dating Definition–noun | 1. | a particular month, day, and year at which some event happened or will happen: July 4, 1776 was the date of the signing of the Declaration of Independence. | | 2. | the day of the month: Is today's date the 7th or the 8th? | | 3. | an inscription on a writing, coin, etc., that shows the time, or time and place, of writing, casting, delivery, etc.: a letter bearing the date January 16. | | 4. | the time or period to which any event or thing belongs; period in general: at a late date. | | 5. | the time during which anything lasts; duration: The pity is that childhood has so short a date. | | 6. | an appointment for a particular time: They have a date with their accountant at ten o'clock. | | 7. | a social appointment, engagement, or occasion arranged beforehand with another person: to go out on a date on Saturday night. | | 8. | a person with whom one has such a social appointment or engagement: Can I bring a date to the party? | | 9. | an engagement for an entertainer to perform. | | 10. | dates, the birth and death dates, usually in years, of a person: Dante's dates are 1265 to 1321. | –verb (used without object) | 11. | to have or bear a date: The letter dates from 1873. | | 12. | to belong to a particular period; have its origin: That dress dates from the 19th century. The architecture dates as far back as 1830. | | 13. | to reckon from some point in time: The custom dates from the days when women wore longer skirts. | | 14. | to go out socially on dates: She dated a lot during high school. | –verb (used with object) | 15. | to mark or furnish with a d
13f
ate: Please date the check as of today. | | 16. | to ascertain or fix the period or point in time of; assign a period or point in time to: The archaeologist dated the ruins as belonging
da3
to the early Minoan period. | | 17. | to show the age of; show to be old-fashioned. | | 18. | to make a date with; go out on dates with: He's been dating his best friend's sister. | —Idioms | 19. | to date, up to the present time; until now: This is his best book to date. | | 20. | up to date, in agreement with or inclusive of the latest information; modern: Bring us up to date on the news. | |
From Dictionary
Related topics from Britannicadating
in geology, determining a chronology or calendar of events in the history of the Earth, using to a large degree the evidence of organic evolution in the sedimentary rocks accumulated through geologic ...
carbon-14 dating
method of age determination that depends upon the decay to nitrogen of radiocarbon (carbon-14). Carbon-14 is continually formed in nature by the interaction of neutrons with nitrogen-14 in the ...
helium dating
method of age determination that depends on the production of helium during the decay of the radioactive isotopes uranium-235, uranium-238, and thorium-232. Because of this decay, the helium content ...
uranium-thorium-lead dating
method of establishing the time of origin of a rock by means of the amount of common lead it contains; common lead is any lead from a rock or mineral that contains a large amount of lead and a small ...
ionium-thorium dating
method of establishing the time of origin of marine sediments according to the amount of ionium and thorium they contain.fission-track dating
method of age determination that makes use of the damage done by the spontaneous fission of uranium-238, the most abundant isotope of uranium. The fission process results in the release of several ...
radiation-damage dating
method of age determination that makes use of the damage to crystals and the radiation from radioactive substances caused by storage of energy in electron traps. In the mineral zircon, for example, ...
potassium-argon dating
method of determining the time of origin of rocks by measuring the ratio of radioactive argon to radioactive potassium in the rock. This dating method is based upon the decay of radioactive ...
lead-210 dating
method of age determination that makes use of the ratio of the radioactive lead isotope lead-210 to the stable isotope lead-206. The method has been applied to the ores of uranium. In the series of ...
uranium-234-uranium-238 dating
method of age determination that makes use of the radioactive decay of uranium-238 to uranium-234; the method can be used for dating of sediments from either a marine or a playa lake environment. ...
|
Related topics from Technorati |
|
|
|
|
 |
