celestial equator, prime meridian, chakra, galactic equator, acupressure, longitude, ecliptic, celestial sphere, fingerpost, equinox, lagrangian, cranial nerve, solstices, isosceles triangle, palmar, sextile, spring equinox, gnomon, midheaven, pulsation, heliopause, capricornus, temporal artery, ellipse, venus, axis, zodiac, caudal, crescent, umbilicus, ulnar, sulcus, libration, aphelion, equilateral triangle, pineal gland, reflexology, hypotenuse, obturator, acupuncture, equator, yantra, plexus, sidereal, magnetic flux, counterclockwise rotation, transept, autumnal equinox, dorsum, subdial, acromion, mediastinum, foramen, centroid, hysteresis loop, fornix, azimuthal, vernal equinox, equinoxes, lymphatics, oxyhemoglobin, conjunct, greenwich mean time, medulla, concavity, magnetic dipole, syzygy, lacrimal, commissure, mundi, trine, interspace, curvature, sacral, infinity, palpation, meridional, auricle, fossa, polarity, opacification, occiput, scleral, terminus, ostium, polynomial, radians, mesoderm, demarcation, inguinal canal, vestibular, tien shan, qibla, circumference, systole, ciliary body, rahu, perihelion, infinitude, orbital, pamirs, arcsecond, meridians, percentile, percentiles, precinct, azimuth, angle, grades, harmonic, segment, st., street, avenue, grade, pennsylvania, rib, vertex, vertical, c., zenith, geodetic, euclidean, horary, long, sampling, shortest, interrupted, longer, lunar, tangent, trigonometrical, unobstructed, astronomical, break, centre, convenient, diagonal, diametrical

dateline, date line, international date line, magnetic meridian, observer's meridian, prime meridian

alaska standard time, atlantic standard time, atlantic time, az, azimuth, bering standard time, bering time, central standard time, central time, cst, culminate, dateline, date line, eastern standard time, eastern time, est, gmt, greenwich mean time, greenwich time, hawaii standard time, hawaii time, hour angle, international date line, longitude, lunitidal interval, meridional, mountain standard time, mountain time, mst, observer's meridian, pacific standard time, pacific time, prime meridian, pst, transit, transit instrument, universal time, ut, ut1, yukon time

great circle

line of longitude, longitude