sidereal |
of or pertaining to the stars. [2 definitions] |
sidereal day |
a unit of time equal to the time required for one rotation of the earth; twenty-three hours, fifty-six minutes, and 4.1 seconds. |
sidereal month |
the time required for one complete revolution of the moon around the earth with respect to a fixed star, or about 27.3 days in mean solar time. |
sidereal time |
time based upon the rotation and revolution of the earth with reference to the background of stars. |
sidereal year |
a unit of time equal to the time required for one revolution of the earth around the sun; 365 days, six hours, nine minutes, and 9.54 seconds. |
siderite |
a yellowish to light-brown impure iron ore; iron carbonate. [2 definitions] |
siderosis |
a disease or chronic inflammation of the lungs caused by the inhalation of metallic particles. |
sidesaddle |
a saddle that permits the rider to ride with both legs on one side of the horse. [2 definitions] |
sideshow |
a small exhibition offered to supplement the main attraction, as at a circus. [3 definitions] |
sideslip |
to slip or skid to the side, as in skiing. [3 definitions] |
sidesplitting |
extremely funny; causing hard and robust laughter. [2 definitions] |
sidestep |
to step aside or to one side. [4 definitions] |
side step |
the taking of a step to one side, or a step taken sideways. |
sidestroke |
a swimming stroke in which one lies sideways in the water, performing scissors kicks and pulling with the arms alternately. |
sideswipe |
a glancing or sweeping blow on or along the side of something. [2 definitions] |
sidetrack |
of a train or train car, to switch to a siding. [3 definitions] |
sidewalk |
a paved walkway along the side of a street or road. |
sidewall |
the side of an automobile tire between the tread and the wheel rim. |
sideward |
moving or directed toward one side. [2 definitions] |
sideway |
sideways. |
sideways |
from, to, or toward the side. [3 definitions] |