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golden section

A division in a line such that the proportion of the whole to the larger area is equal to the proportion of the larger area to the smaller one. The mathematical golden section has been employed in all manner of things, not the least in art, architecture, and even philosophy.
See also: golden, section

section off

To partition something or a portion of something with a section or other barrier to make it private or obscure it from view. A noun or pronoun can be used between "section" and "off." To save money, Chris moved into the living room and sectioned off a space for his bed with an old bedsheet tacked up to the walls and ceiling. They've had to section the movie set off with a giant makeshift fence so that onlookers don't learn any secrets about the film.
See also: off, section

the nosebleed section

A seating area very high up in a stadium or theater, as for a sporting event, musical performance, play, etc., which typically costs less money but has a restricted view. "Nosebleed" refers jocularly to the effects of extremely high altitudes on the body, which can often cause nasal hemorrhaging, among other symptoms. I wish you wouldn't be so stingy when you're buying tickets. I'm sick of watching football games up in the nosebleed section! I waited too long to get tickets to the concert, so all that was left was a seat in the nosebleed section way in the back.
See also: nosebleed, section

thin section

A slice of an object or substance that can be viewed under a microscope. Where is the thin section of that mineral specimen? I want to take a look at it under the microscope.
See also: section, thin
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

the golden section

the division of a line so that the whole is to the greater part as that part is to the smaller part.
This is a mathematical term for a proportion known since the 4th century and mentioned in the works of the Greek mathematician Euclid. It has been called by several names, but the mid 19th-century German one goldene Schnitt , translating Latin sectio aurea , has given rise to the current English term.
See also: golden, section
Farlex Partner Idioms Dictionary © Farlex 2017

section off

To separate or divide some area: A bookcase sectioned off the sitting area from the dining area. The apartment had no rooms, so we sectioned it off with screens.
See also: off, section
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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* Personal injury claims where the proceeds are excluded from gross income under IRC section 104(a)(2).
* Discrimination claims that qualify for the new deduction for AGI under section 62(a)(20).
Income, gain, or loss attributable to a Section 987 QBU typically is determined by reference to two different components.
The opinion must identify in a separate section all factual assumptions relied on by the practitioner.
She will continue to provide oversight for the Research Library, the Automation and Research Computing (ARC) section, and Administration.
Justice Clarence Thomas delivered the opinion of the court that Avian has no Section 113(13(1) claim because it was never subject to a civil action under Sections 106 or 107(a).The court dismissed Aviall's argument that the underlying policy of CERCLA seeks to promote voluntary cleanups, and relied instead on a strict reading of the statutory language of Section 113(f)(1) and Section 113 as a whole: "Given the clear meaning of the text, there is no need to resolve this dispute or to consult the purpose of CERCLA at all."
Other than in connection with an action or suit in which the liability of a director under Section 1702.55 of the Ohio Revised Code is the only liability asserted, a director or officer of the Association shall be liable in &mages for any action he or she rakes or fails to take as a Director or as an officer, as the case may be, only if it is proved, by clear and convincing evidence, in a court with jurisdiction that his or her act of omission was one undertaken with deliberate intent to cause injury to the Association or was one undertaken with a reckless disregard for the best interest of the Association.
The reduction of flight depth and the capillaried cylindrical section therefore act as a fixed position throttle.
The core required to make this casting has thin sections that can be easily broken, does not allow proper cooling and venting, and results in a thin wall casting.
Section 14 (Winner Section 12) Champion - Smiths of Bloxham Reserve - G & S Jones.
The intensity of x rays emitted when an electron beam strikes a sample depends on the energy distribution of the electrons in the solid, the energy variation of the ionization cross section of the relevant subshell, the fraction of ionization events that give x rays in the line of interest and the absorption coefficient of the x rays on the path to the detector.
To localize the activity of aromatase in the brain, we used the tritiated water assay to measure the enzyme activity separately in the homogenate of each serial section of the coronal plane of the brain.
* Section 514, Security Assistance Act of 2000, P.L.