interval β an intervening period of time: an interval of 50 years.
range β the extent to which or the limits between which variation is possible: the range of steel prices; a wide range of styles.
area β An area is a particular part of a town, a country, a region, or the world.
gap β a department in SE France. 2179 sq. mi. (5645 sq. km). Capital: Gap.
length β the longest extent of anything as measured from end to end: the length of a river.
orbit β the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.
radius β a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.
scope β extent or range of view, outlook, application, operation, effectiveness, etc.: an investigation of wide scope.
separation β an act or instance of separating or the state of being separated.
size β any of various gelatinous or glutinous preparations made from glue, starch, etc., used for filling the pores of cloth, paper, etc., or as an adhesive ground for gold leaf on books.
space β the unlimited or incalculably great three-dimensional realm or expanse in which all material objects are located and all events occur.
span β the act of causing a spinning or whirling motion.
stretch β to draw out or extend (oneself, a body, limbs, wings, etc.) to the full length or extent (often followed by out): to stretch oneself out on the ground.
width β extent from side to side; breadth; wideness.
absence β Someone's absence from a place is the fact that they are not there.
ambit β The ambit of something is its range or extent.
amplitude β In physics, the amplitude of a sound wave or electrical signal is its strength.
bit β A bit of something is a small part or section of it.
breadth β The breadth of something is the distance between its two sides.
compass β A compass is an instrument that you use for finding directions. It has a dial and a magnetic needle that always points to the north.
expanse β An area of something, typically land or sea, presenting a wide continuous surface.
extension β A part that is added to something to enlarge or prolong it; a continuation.
heavens β the abode of God, the angels, and the spirits of the righteous after death; the place or state of existence of the blessed after the mortal life.
hinterland β Often, hinterlands. the remote or less developed parts of a country; back country: The hinterlands are usually much more picturesque than the urban areas.
horizon β the line or circle that forms the apparent boundary between earth and sky.
lapse β an accidental or temporary decline or deviation from an expected or accepted condition or state; a temporary falling or slipping from a previous standard: a lapse of justice.
objective β something that one's efforts or actions are intended to attain or accomplish; purpose; goal; target: the objective of a military attack; the objective of a fund-raising drive.
outpost β a station established at a distance from the main body of an army to protect it from surprise attack: We keep only a small garrison of men at our desert outposts.
outskirts β Often, outskirts. the outlying district or region, as of a city, metropolitan area, or the like: to live on the outskirts of town; a sparsely populated outskirt.