ruler


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ruler

1. a person who rules or commands
2. a strip of wood, metal, or other material, having straight edges graduated usually in millimetres or inches, used for measuring and drawing straight lines

Ruler

 

a tool used for geometric constructions, linear measurements, and calculations. A scale (or scales) is usually marked on a ruler, the value of which depend on the purpose of the ruler. For convenience, some rulers have reference data (magnitudes of physical values, multiplication tables) or special attachments. For instance, rulers used in cartography have a magnifying glass that can slide along the ruler. Rulers used for geometric construction and measurements include straightedges, try squares, and shaped rulers (for instance, officer’s and navigator’s protractors, stencils), as well as French curves. In industry, rulers are used to measure linear dimensions in specific units (for instance, points in printing). Rulers are also used in technology for various purposes. For instance, a shrink ruler serves to compare specified dimensions and actual dimensions (in foundries, textile production). A straightedge is used to check the linearity of generating lines or the smoothness of surfaces in manufactured articles. A tape measure is used for measuring large lengths or diameters. A ruled scale is used to change from one scale to another. A slide rule is used for mathematical computations.

G. IU. FILANOVSKII

ruler

[′rül·ər]
(engineering)
A graduated strip of wood, metal, or other material, used to measure lines or as a guide in drawing lines.
References in periodicals archive ?
Let me tell you that security vote allocated for each of our governors in Nigeria is not expected to be their money; the traditional ruler should be given part of the security votes because they understand their people and terrain very well.
The Quezon City-based EcoWaste Coalition released a warning on Sunday that cautioned parents against buying cheap toy rulers, which were found to contain high levels of the poisonous substance, lead.
Results: What happened when you rubbed the ruler with each fabric?
HM the King and Fujairah Ruler discussed key issues featuring on the agenda of the 26th Arab Summit, extending greetings to the UAE leaders.
The second common error with the broken ruler problem is to produce an answer which is one more than the correct answer.
Use a clear ruler and pencil to draw the seanilines according to the pattern seam allowance listed on the guidesheet.
At the beginning of the meeting, the UAE President and Emirates rulers exchanged greetings on the National Day.
Godolphin, who have since bought the runner-up, put Cap O'Rushes into ensure a consistent gallop - but that's as likely to suit Ruler Of The World as Libertarian and Epsom third Galileo Rock.
The Ruler Pro : Handy Pocket Tool app has simple and elegant interface with beautiful retina graphics allows High Precision support drag and scroll to comfortably measure large objects.
The framework of Monter's book is structured, therefore, around issues of matrimony and inheritance, and of legitimacy and authority in the lives of thirty female rulers from Jeanne II, who became the head of the tiny kingdom of Navarre in 1328, to Catherine II "the Great," who ruled Russia for more than thirty years up until her death in 1796.
Since Prime Minister Mahathir left office in 2003, the Rulers have claimed 'a royal discretionary power' that is a 'total rejection of the Westminster-style constitutional monarch'.
However, it is exciting to see how the ruler who loses through the voting ballots exits power when the opinion of the voters represents the last referee and how the ruler sitting on more than 10,000 dead bodies can maintain his authority "thanks to" voting ballots.