# Hour Circle meaning in Urdu

### Hour Circle Definitions

**1)** Hour Circle : نصف النہار : *(noun)* a great circle on the celestial sphere that passes through both celestial poles.

### Useful Words

Hour Angle : ایک زاویہ , Vertical Circle : ارتفاعی دائرہ , Circular : گول , R : نصف قطر , Equator : خط استواء , Hourly : گھنٹہ وار , Cycloid : دائرہ نما , Circle : گھیر لینا , Circlet : چھوٹا دائرہ , Semicircular : نیم مدور , Gyration : گہومنے چکر لگانے کا عمل , Quadrant : ایک دائرے کا چوتھائی حصہ , Halo : ہالہ , Circle : گول , Celestial Pole : قطب سماوی , Celestial Sphere : عرش , Camp : گروہ , Arteria Communicans : دماغ کی اہم شریانیں , Hemicycle : آدھا دائرہ , Brain Trust : باورچی خانے کی الماری , Cone : مخروط , Nadir : پستی کی انتہا , Zenith : فلکیات سمت الراس , Sashay : ٹھمکا ناچ , Solar System : نظام شمسی , Diam : دائرے کے درمیان سے گزرنے والا خط , A.M. : دوپہر سے پہلے , Quoit : نشانہ باز چکی , Do-Si-Do : ایک قسم کا رقص , Arctic : قطب شمالی , Cycloid : گول

### Useful Words Definitions

**Hour Angle:** the angular distance along the celestial equator from the observer`s meridian to the hour circle of a given celestial body.

**Vertical Circle:** a great circle on the celestial sphere passing through the zenith and perpendicular to the horizon.

**Circular:** describing a circle; moving in a circle.

**R:** the length of a line segment between the center and circumference of a circle or sphere.

**Equator:** a circle dividing a sphere or other surface into two usually equal and symmetrical parts.

**Hourly:** occurring every hour or payable by the hour.

**Cycloid:** resembling a circle.

**Circle:** form a circle around.

**Circlet:** a small circle.

**Semicircular:** curved into a half circle.

**Gyration:** the act of rotating in a circle or spiral.

**Quadrant:** a quarter of the circumference of a circle.

**Halo:** a circle of light around the sun or moon.

**Circle:** something approximating the shape of a circle.

**Celestial Pole:** one of two points of intersection of the Earth's axis and the celestial sphere.

**Celestial Sphere:** the apparent surface of the imaginary sphere on which celestial bodies appear to be projected.

**Camp:** an exclusive circle of people with a common purpose.

**Arteria Communicans:** any of three arteries in the brain that make up the circle of Willis.

**Hemicycle:** a plane figure with the shape of half a circle.

**Brain Trust:** an inner circle of unofficial advisors to the head of a government.

**Cone:** a shape whose base is a circle and whose sides taper up to a point.

**Nadir:** the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected.

**Zenith:** the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected.

**Sashay:** a square dance figure; partners circle each other taking sideways steps.

**Solar System:** The solar system is a celestial arrangement consisting of the sun, a star at the center, and various celestial bodies in orbit around it. This includes eight major planets, their moons, asteroids, meteoroids, and comets.

**Diam:** the length of a straight line passing through the center of a circle and connecting two points on the circumference.

**A.M.:** "Ante Meridiem" or "A.M." is a Latin expression used to denote the time between midnight (12:00 a.m.) and noon (11:59 a.m.) in a 12-hour clock system. This designation distinguishes morning hours before noon from "P.M." (Post Meridiem), which signifies the afternoon and evening hours following noon, aiding in time notation within the 12-hour format.

**Quoit:** game equipment consisting of a ring of iron or circle of rope used in playing the game of quoits.

**Do-Si-Do:** a square-dance figure; two dancers approach each other and circle back to back before returning to their original places.

**Arctic:** the regions to the north of the Arctic Circle centered on the North Pole.

**Cycloid:** a line generated by a point on a circle rolling along a straight line.