### Definition of Second moment

1. Noun. The expected value of the square of the deviations of a random variable from the point of origin.

Category relationships: Statistics
Generic synonyms: Moment

### Second Moment Pictures

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### Lexicographical Neighbors of Second Moment

 second inversionssecond island chainsecond jointsecond jointssecond languagesecond languagessecond law of motionsecond law of thermodynamicssecond lieutenantsecond lieutenants second line chemotherapysecond meiotic divisionsecond messengersecond messenger systemssecond molarsecond moment (current term)second moment of areasecond moment of inertiasecond mortgagesecond name second naturesecond new ballsecond normal formsecond of arcsecond officersecond opinionsecond opinionssecond order streamsecond period

### Literary usage of Second moment

Below you will find example usage of this term as found in modern and/or classical literature:

1. Analytical Mechanics for Engineers by Fred B. Seely, Newton Edward Ensign (1921)
"An expression of this form is called the second moment of the area or the moment ... For this reason the term, second moment of an area, is to be preferred, ..."

2. Mechanics Applied to Engineering by John Goodman (1919)
"Find the second moment (I) of a hollow circle 6 inches external and 4 inches internal diameter ... 115, and find its second moment (I,) by calculation. ..."

3. Mechanics Applied to Engineering by John Goodman (1908)
"Find the second moment (I0) of a thin door about its hinges : width, 7 feet ; height, ... Find the second moment (I) of a rectangular section 9 inches deep, ..."

4. Mechanics Applied to Engineering by John Goodman (1908)
"Find the second moment (I0) of a thin door about its hinges: width, 7 feet ; height, ... Find the second moment (I) of a rectangular section 9 inches ..."

5. Mechanics Applied to Engineering by John Goodman (1904)
"Find the second moment (I) of a rectangular section 9 inches deep, ... Find the second moment (I0) of a square section of 4-inch side about an axis parallel ..."

6. Elements of Dynamic: An Introduction to the Study of Motion and Rest in by William Kingdon Clifford (1887)
"The second moment of the area about pq is the first moment of the volume aefb in regard to a normal plane through pq; the plane ef passing through pq. ..."