to make ready or get things in order for a future event

a norm, rule, or criterion used as a measurement or basis for comparison

accurate; exact; precise

a standard, principle, or criterion on which a judgment or action is based

to take aim at; to target

at the appointed or expected time; on time or according to schedule

A criterion, benchmark, or point of reference against which things can be compared or assessed.

horizontal surface or elevation used in surveying

perhaps or it is possible that

to point something directly at a target or object

to be firmly convinced of something or to set one's mind on a specific goal or person

(statistics) standard deviation

to calibrate

a figurative standard, ground rule, or principle used for judgment or as a guide for behavior

the front sight of a firearm used for aiming

perhaps; possibly; it is uncertain but likely.

(coll.) accuracy

certainly; for sure

Junggar Basin, northern Xinjiang

universally applicable; valid everywhere

to take aim at a target, specifically with a firearm or optical instrument

Kou Zhun (961-1023), Northern Song dynasty politician and poet

to guarantee or be certain that something will happen

definite and reliable information

A fixed musical frequency used as a reference for tuning instruments, such as A = 440 Hz.

An optical or mechanical instrument used to establish or verify a horizontal line or plane, such as a surveyor's level or a spirit level.

to be reliable, authoritative, or trustworthy

the fixed line used in the definition of a conic section such as a parabola

to serve as the norm, benchmark, or final authority; to prevail (especially regarding rules, regulations, or prices)

the compass, set square, water level, and plumb line used by craftsmen for measurement and alignment

Deutsches Institut für Normung e.V. (DIN), the German national organization for standardization.

standard conditions for temperature and pressure

An entity or body that establishes, maintains, and promotes technical standards.

established technical rules or requirements for quality, size, or properties of a product or process

a standard hotel room, typically featuring two twin beds and standard amenities

Greenwich Mean Time (GMT)

Greenwich Mean Time (GMT)

(coll.) unreliable

lacking class, manners, or sophistication

Rayleigh criterion (optics)

to observe and make sure of something; to identify or spot accurately

to watch for or identify a favorable moment to take action