ETYM French angle, Latin angulus angle, corner; akin to uncus hook, Greek agkylos bent, crooked, angular, agkos a bend or hollow, AS. angel hook, fish-hook, German angel, and French anchor.
In mathematics, the amount of turn or rotation; it may be defined by a pair of rays (half-lines) that share a common endpoint but do not lie on the same line. Angles are measured in degrees (ş) or radians (rads)—a complete turn or circle being 360ş or 2p rads.
Angles are classified generally by their degree measures: acute angles are less than 90ş; right angles are exactly 90ş (a quarter turn); obtuse angles are greater than 90ş but less than 180ş; reflex angles are greater than 180ş but less than 360ş.
The space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians.
ETYM Latin aspectus, from aspicere, aspectum, to look at; ad + spicere, specere, to look, akin to Eng. spy.
1. A characteristic to be considered.
2. A distinct feature or element in a problem; SYN. facet.
3. The beginning or duration or completion or repetition of the action of a verb.
In Earth sciences the direction in which a slope faces. In the northern hemisphere a slope with a southerly aspect receives more sunshine than other slopes and is therefore better suited for growing crops that require many hours of sunshine in order to ripen successfully. Vineyards in northern Europe are usually situated on south-facing slopes.
attitude / ætətuːd /
Sinonimi: mental attitude
ETYM Italian attitudine, Late Lat. aptitudo, from Latin aptus suited, fitted: cf. French attitude. Related to Aptitude.
1. A complex mental orientation involving beliefs and feelings and values and dispositions to act in certain ways; SYN. mental attitude.
2. A theatrical pose created for effect.
3. Position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion).