# Vertical Circle meaning in Urdu

### Vertical Circle Definitions

**1)** Vertical Circle : ارتفاعی دائرہ : *(noun)* a great circle on the celestial sphere passing through the zenith and perpendicular to the horizon.

### Useful Words

Hour Circle : نصف النہار , Circular : گول , Hour Angle : ایک زاویہ , R : نصف قطر , Equator : خط استواء , Diam : دائرے کے درمیان سے گزرنے والا خط , Nadir : پستی کی انتہا , Circle : گھیر لینا , Cycloid : دائرہ نما , Circlet : چھوٹا دائرہ , Gyration : گہومنے چکر لگانے کا عمل , Halo : ہالہ , Quadrant : ایک دائرے کا چوتھائی حصہ , Semicircular : نیم مدور , Circle : گول , Camp : گروہ , Hemicycle : آدھا دائرہ , Arteria Communicans : دماغ کی اہم شریانیں , Brain Trust : باورچی خانے کی الماری , Cone : مخروط , Sashay : ٹھمکا ناچ , Quoit : نشانہ باز چکی , Do-Si-Do : ایک قسم کا رقص , Arctic : قطب شمالی , Cycloid : گول , Tall : لمبا , Cumulonimbus : گرجنے والا بادل , Rad : قطر کا , Horizontal Parallax : افقی اختلاف نظر , Celestial Pole : قطب سماوی , Circumpolar : قطبی

### Useful Words Definitions

**Hour Circle:** a great circle on the celestial sphere that passes through both celestial poles.

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

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

**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.

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

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

**Circle:** form a circle around.

**Cycloid:** resembling a circle.

**Circlet:** a small circle.

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

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

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

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

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

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

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

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

**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.

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

**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.

**Tall:** great in vertical dimension; high in stature.

**Cumulonimbus:** a dark cloud of great vertical extent charged with electricity; associated with thunderstorms.

**Rad:** the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees).

**Horizontal Parallax:** the maximum parallax observed when the celestial body is at the horizon.

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

**Circumpolar:** (of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel.