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Naegele's rule


the rule for calculating an expected delivery date; subtract 3 months from the 1st day of the last menstrual period and add 7 days to that date


cognition noun (cognitive processes and contents)

Original source:

Princeton WordNet

Definition references


Naegele's rule | Naegele's Rule

a standard way of calculating the due date for a pregnancy. The rule estimates the expected date of delivery by adding one year, subtracting three months, and adding seven days to the first day of a woman's last menstrual period. The result is ... (43 of 1287 words, 1 image)

en​.wikipedia​.org​/wiki​/Naegele's rule

Collins Dictionary:

principle | Principle | in principle [sense-specific] | on principle [sense-specific] | God [sense-specific] | origin [synonym, sense-specific]

a standard or rule of personal conduct | [often plural] a set of such moral rules, | adherence to such a moral code; morality, | a fundamental or ... (25 of 653 words, 12 definitions, 23 usage examples, pronunciations)


Oxford Dictionary:

principle | principles | in principle | on principle

a fundamental truth or proposition that serves as the foundation for a system of belief or behaviour or for a chain of reasoning | (usually ... (24 of 367 words, 11 definitions, 14 usage examples, pronunciation)


Macmillan British Dictionary:

principle | principles [plural] | in principle

[countable] a basic belief, theory, or rule that has a major influence on ... | [countable, plural] a basic rule or belief about what is right and ... (26 of 307 words, 5 definitions, 16 usage examples, pronunciation)



principle | Principle [sense-specific] | in principle | origin [synonym, sense-specific] | god [synonym, sense-specific]

a comprehensive and fundamental law, doctrine, or assumption ; a rule or ... | a primary source; "origin" | an underlying faculty or endowment ; an ... (24 of 287 words, 5 definitions, 3 usage examples, pronunciation)


Random House Dictionary:

principle | principium | principia [plural] | principles [sense-specific] | in principle [sense-specific] | on principle [sense-specific]

an accepted or professed rule of action or conduct. | a fundamental, primary, or general law or truth from which others are derived. | a fundamental ... (24 of 280 words, 15 definitions, 13 usage examples, pronunciation)



principle | principles [plural] | principled [past tense] | principling [present participle] | moral code [plural] | tenet [synonym, sense-specific]

A fundamental assumption. | A rule used to choose among solutions to a problem. | "principles": Moral rule or aspect. | [physics] A rule or law of nature, or the basic idea on how the laws of nature are applied. | A fundamental essence, particularly... (41 of 140 words, 7 definitions, 13 usage examples, pronunciations)


American Heritage Dictionary:


A basic truth, law, or assumption | A rule or standard, especially of good behavior | The collectivity of moral or ethical standards or judgments | A ... (24 of 133 words, 8 definitions, 5 usage examples, pronunciation)


New World Dictionary:


the ultimate source, origin, or cause of something | a natural or original tendency, faculty, or endowment | a fundamental truth, law, doctrine, or ... (22 of 112 words, 6 definitions, 5 usage examples, pronunciation)


Cambridge Dictionary:

principle [entry 1] | in principle

a basic idea or rule that explains or controls how something happens or works | "in principle": If you agree with or believe something in principle, ... (25 of 109 words, 2 definitions, 6 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/principle 1

principle [entry 2, approving]

a moral rule or standard of good behaviour (8 of 62 words, 5 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/principle 2

Encarta Dictionary:


used in Christian Science to refer to God (8 of 13 words)

encarta​.msn​.com​/dictionary 1861736898​/definition​.html  [offline]

Page last updated: 2013-06-26

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